#include "ckcsym.h" char *cmdv = "Command package 6.0.088, 6 Sep 96"; #ifdef OS2 int cmdmsk = 255; /* Command-terminal-to-C-Kermit character mask */ #else int cmdmsk = 127; /* Command-terminal-to-C-Kermit character mask */ #endif /* OS2 */ #ifdef BS_DIRSEP /* Directory separator is backslash */ #undef BS_DIRSEP #endif /* BS_DIRSEP */ #ifdef OS2 #define BS_DIRSEP #endif /* BS_DIRSEP */ #include "ckcdeb.h" /* Formats for debug(), etc. */ #include "ckcker.h" /* Needed for BIGBUFOK definition */ #include "ckucmd.h" /* Needed for xx_strp prototype */ #include "ckuusr.h" /* Needed for prompt length */ _PROTOTYP( int unhex, (char) ); _PROTOTYP( static int filhelp, (int, char *, char *, int) ); _PROTOTYP( VOID sh_sort, (char **, int) ); _PROTOTYP( static VOID cmdclrscn, (void) ); #ifndef NOICP /* The rest only if interactive command parsing selected */ #ifndef NOSPL _PROTOTYP( int chkvar, (char *) ); #endif /* NOSPL */ static int blocklvl = 0; /* "Block" level */ static int linebegin = 0; /* Flag for at start of a line */ static int quoting = 1; #ifdef BS_DIRSEP static int cmdirflg = 0; #endif /* BS_DIRSEP */ /* C K U C M D -- Interactive command package for Unix */ /* Author: Frank da Cruz (fdc@columbia.edu), Columbia University Academic Information Systems, New York City. Copyright (C) 1985, 1996, Trustees of Columbia University in the City of New York. The C-Kermit software may not be, in whole or in part, licensed or sold for profit as a software product itself, nor may it be included in or distributed with commercial products or otherwise distributed by commercial concerns to their clients or customers without written permission of the Office of Kermit Development and Distribution, Columbia University. This copyright notice must not be removed, altered, or obscured. */ /* Modeled after the DECSYSTEM-20 command parser (the COMND JSYS), RIP. Features: . parses and verifies keywords, filenames, text strings, numbers, other data . displays appropriate menu or help message when user types "?" . does keyword and filename completion when user types ESC or TAB . does partial filename completion . accepts any unique abbreviation for a keyword . allows keywords to have attributes, like "invisible" and "abbreviation" . can supply defaults for fields omitted by user . provides command retry and recall . provides command line editing (character, word, and line deletion) . accepts input from keyboard, command files, macros, or redirected stdin . allows for full or half duplex operation, character or line input . allows \-escapes for hard-to-type characters . allows specification of a user exit to expand variables, etc. . settable prompt, protected from deletion, dynamically re-evaluated each time. Functions: cmsetp - Set prompt (cmprom is prompt string) cmsavp - Save current prompt prompt - Issue prompt cmini - Clear the command buffer (before parsing a new command) cmres - Reset command buffer pointers (before reparsing) cmkey - Parse a keyword or token cmnum - Parse a number cmifi - Parse an input file name cmofi - Parse an output file name cmdir - Parse a directory name cmfld - Parse an arbitrary field cmtxt - Parse a text string cmcfm - Parse command confirmation (end of line) Return codes: -9: like -2 except this module already printed the error message -3: no input provided when required -2: input was invalid (e.g. not a number when a number was required) -1: reparse required (user deleted into a preceding field) 0 or greater: success See individual functions for greater detail. Before using these routines, the caller should #include ckucmd.h, and set the program's prompt by calling cmsetp(). If the file parsing functions cmifi, cmofi, or cmdir are to be used, this module must be linked with a ck?fio file system support module for the appropriate system, e.g. ckufio for Unix. If the caller puts the terminal in character wakeup ("cbreak") mode with no echo, then these functions will provide line editing -- character, word, and line deletion, as well as keyword and filename completion upon ESC and help strings, keyword, or file menus upon '?'. If the caller puts the terminal into character wakeup/noecho mode, care should be taken to restore it before exit from or interruption of the program. If the character wakeup mode is not set, the system's own line editor may be used. NOTE: Contrary to expectations, many #ifdef's have been added to this module. Any operation requiring an #ifdef (like clear screen, get character from keyboard, erase character from screen, etc) should eventually be turned into a call to a function that is defined in ck?tio.c, but then all the ck?tio.c modules would have to be changed... */ /* Includes */ #include "ckcker.h" #include "ckcasc.h" /* ASCII character symbols */ #include "ckucmd.h" /* Command parsing definitions */ #include /* Error number symbols */ #ifdef OS2 #ifndef NT #define INCL_NOPM #define INCL_VIO /* Needed for ckocon.h */ #include #undef COMMENT #else #define APIRET ULONG #include #endif /* NT */ #include "ckocon.h" #include #endif /* OS2 */ #ifdef NT #define stricmp _stricmp #endif /* NT */ #ifdef OSK #define cc ccount /* OS-9/68K compiler bug */ #endif /* OSK */ #ifdef GEMDOS /* Atari ST */ #ifdef putchar #undef putchar #endif /* putchar */ #define putchar(x) conoc(x) #endif /* GEMDOS */ /* Local variables */ static int psetf = 0, /* Flag that prompt has been set */ cc = 0, /* Character count */ dpx = 0, /* Duplex (0 = full) */ inword = 0; /* In the middle of getting a word */ static int hw = HLPLW, /* Help line width */ hc = HLPCW, /* Help line column width */ hh, /* Current help column number */ hx; /* Current help line position */ char *dfprom = "Command? "; /* Default prompt */ int cmflgs; /* Command flags */ int cmfsav; /* A saved version of them */ #ifdef DCMDBUF char *cmdbuf; /* Command buffer */ char *savbuf; /* Buffer to save copy of command */ char *atmbuf; /* Atom buffer - for current field */ char *atxbuf; /* For expanding the atom buffer */ #ifdef OLDHELP static char *hlpbuf; /* Help string buffer */ #endif /* OLDHELP */ static char *atybuf; /* For copying atom buffer */ static char *filbuf; /* File name buffer */ static char *cmprom; /* Program's prompt */ static char *cmprxx; /* Program's prompt, unevaluated */ #ifdef CK_RECALL /* Command recall is available only if we can make profligate use of malloc(). */ #define R_MAX 10 /* Max number of commands to save */ int cm_recall = R_MAX; /* Size of command recall buffer */ int on_recall = 1; /* Recall feature is ON */ int in_recall = 0; /* Recall buffers are init'd */ static int current = -1, /* Pointer to current command */ rlast = -1; /* Index of last command in buffer */ static char **recall = NULL; /* Array of recall buffer pointers */ #endif /* CK_RECALL */ #else char cmdbuf[CMDBL+4]; /* Command buffer */ char savbuf[CMDBL+4]; /* Buffer to save copy of command */ char atmbuf[ATMBL+4]; /* Atom buffer */ char atxbuf[CMDBL+4]; /* For expanding the atom buffer */ #ifdef OLDHELP static char hlpbuf[HLPBL+4]; /* Help string buffer */ #endif /* OLDHELP */ static char atybuf[ATMBL+4]; /* For copying atom buffer */ static char filbuf[ATMBL+4]; /* File name buffer */ static char cmprom[PROMPTL+1]; /* Program's prompt */ static char cmprxx[PROMPTL+1]; /* Program's prompt, unevaluated */ #endif /* DCMDBUF */ /* Command buffer pointers */ static char *bp, /* Current command buffer position */ *pp, /* Start of current field */ *np; /* Start of next field */ static int ungw, /* For ungetting words */ atxn; /* Expansion buffer (atxbuf) length */ #ifdef OS2 extern int wideresult; #endif /* OS2 */ extern int cmd_cols, cmd_rows; #ifdef OLDHELP _PROTOTYP( static VOID addhlp, (char *) ); _PROTOTYP( static VOID clrhlp, (void) ); _PROTOTYP( static VOID dmphlp, (void) ); #endif /* OLDHELP */ _PROTOTYP( static int gtword, (void) ); _PROTOTYP( static int addbuf, (char *) ); _PROTOTYP( static int setatm, (char *, int) ); _PROTOTYP( static int cmdgetc, (void) ); _PROTOTYP( static VOID cmdnewl, (char) ); _PROTOTYP( static VOID cmdchardel, (void) ); _PROTOTYP( static VOID cmdecho, (char, int) ); _PROTOTYP( static int test, (int, int) ); #ifdef GEMDOS _PROTOTYP( extern char *strchr, (char *, int) ); #endif /* GEMDOS */ /* T E S T -- Bit test */ static int test(x,m) int x, m; { /* Returns 1 if any bits from m are on in x, else 0 */ return((x & m) ? 1 : 0); } /* K W D H E L P -- Given a keyword table, print keywords in columns. */ /* Call with: s - keyword table n - number of entries pat - pattern (left substring) that must match for each keyword pre - prefix to add to each keyword post - suffix to add to each keyword off - offset on first screenful, allowing room for introductory text Arranges keywords in columns with width based on longest keyword. Does "more?" prompting at end of screen. Uses global cmd_rows and cmd_cols for screen size. */ VOID kwdhelp(s,n,pat,pre,post,off) struct keytab s[]; int n, off; char *pat, *pre, *post; /* kwdhelp */ { int width = 0; int cc; int cols, height, i, j, k, lc, n2 = 0; char *b = NULL, *p, *q; char *pa, *px; char **s2 = NULL; cc = strlen(pat); if (!s) return; /* Nothing to do */ if (n < 1) return; /* Ditto */ if (off < 0) off = 0; /* Offset for first page */ if (!pre) pre = ""; /* Handle null string pointers */ if (!post) post = ""; lc = off; /* Screen-line counter */ if (s2 = (char **) malloc(n * sizeof(char *))) { for (i = 0; i < n; i++) { /* Find longest keyword */ s2[i] = NULL; if (/* (cc > 0) && */ (xxstrcmp(s[i].kwd,pat,cc)) || (s[i].flgs & CM_INV) ) continue; s2[n2++] = s[i].kwd; /* Copy pointers to visible ones */ j = strlen(s[i].kwd); if (j > width) width = j; } /* Column width */ n = n2; } if (s2 && (b = (char *) malloc(cmd_cols + 1))) { /* Make a line buffer */ char * bx; bx = b + cmd_cols; width += (int)strlen(pre) + (int)strlen(post) + 2; cols = cmd_cols / width; /* How many columns? */ if (cols < 1) cols = 1; height = n / cols; /* How long is each column? */ if (n % cols) height++; /* Add one for remainder, if any */ for (i = 0; i < height; i++) { /* Loop for each row */ for (j = 0; j < cmd_cols; j++) /* First fill row with blanks */ b[j] = SP; for (j = 0; j < cols; j++) { /* Loop for each column in row */ k = i + (j * height); /* Index of next keyword */ if (k < n) { /* In range? */ pa = pre; px = post; p = s2[k]; /* Point to verb name */ q = b + (j * width) + 1; /* Where to copy it to */ while ((q < bx) && (*q++ = *pa++)) ; /* Copy prefix */ q--; /* Back up over NUL */ while ((q < bx) && (*q++ = *p++)) ; /* Copy filename */ q--; /* Back up over NUL */ while ((q < bx) && (*q++ = *px++)) ; /* Copy suffix */ if (j < cols - 1) { q--; *q = SP; /* Replace the space */ } } } p = b + cmd_cols - 1; /* Last char in line */ while (*p-- == SP) ; /* Trim */ *(p+2) = NUL; printf("%s\n",b); /* Print the line */ if (++lc > (cmd_rows - 2)) { /* Screen full? */ if (!askmore()) /* Do more-prompting... */ goto xkwdhelp; else lc = 0; } } /* printf("\n"); */ /* Blank line at end of report */ } else { /* Malloc failure, no columns */ for (i = 0; i < n; i++) { if (s[i].flgs & CM_INV) /* Use original keyword table */ continue; /* skipping invisible entries */ printf("%s%s%s\n",pre,s[i].kwd,post); if (++lc > (cmd_rows - 2)) { /* Screen full? */ if (!askmore()) /* Do more-prompting... */ goto xkwdhelp; else lc = 0; } } } xkwdhelp: if (s2) free(s2); /* Free array copy */ if (b) free(b); /* Free line buffer */ return; } VOID sh_sort(s,n) char **s; int n; { /* Shell sort */ int m, i, j; /* Much faster than bubble sort */ char *t; /* Not as fast as Quicksort */ if (n < 2) /* but less code, and fast enough */ return; m = n; /* Initial group size is whole array */ while (1) { m = m / 2; /* Divide group size in half */ if (m < 1) /* Small as can be, so done */ break; for (j = 0; j < n-m; j++) { /* Sort each group */ t = s[j+m]; for (i = j; i >= 0; i -= m) { if (strcmp(s[i],t) < 0) break; s[i+m] = s[i]; } s[i+m] = t; } } } /* F I L H E L P -- Given a file list, print names in columns. */ /* Call with: s - file list n - number of entries pat - pattern (left substring) that must match for each filename pre - prefix to add to each filename post - suffix to add to each filename off - offset on first screenful, allowing room for introductory text Arranges filenames in columns with width based on longest filename. Does "more?" prompting at end of screen. Uses global cmd_rows and cmd_cols for screen size. */ #ifndef MAXPATHLEN #define MAXPATHLEN 1024 #endif /* MAXPATHLEN */ static int filhelp(n,pre,post,off) int n, off; char *pre, *post; { char filbuf[MAXPATHLEN + 1]; /* Temp buffer for one filename */ int width = 0; int cols, height, i, j, k, lc, n2 = 0, rc = 0; char *b = NULL, *p, *q; char *pa, *px; char **s2 = NULL; if (n < 1) return(0); if (off < 0) off = 0; /* Offset for first page */ if (!pre) pre = ""; /* Handle null string pointers */ if (!post) post = ""; lc = off; /* Screen-line counter */ if (s2 = (char **) malloc(n * sizeof(char *))) { for (i = 0; i < n; i++) { /* Loop through filenames */ s2[i] = NULL; /* Initialize each pointer to NULL */ znext(filbuf); /* Get next filename */ if (!filbuf[0]) /* Shouldn't happen */ break; if (!(s2[n2] = malloc((j = (int) strlen(filbuf)) + 1))) { printf("?Memory allocation failure\n"); rc = -9; goto xfilhelp; } if (j <= MAXPATHLEN) { strcpy(s2[n2],filbuf); n2++; } else { printf("?Name too long - %s\n", filbuf); rc = -9; goto xfilhelp; } if (j > width) /* Get width of widest one */ width = j; } n = n2; /* How many we actually got */ } sh_sort(s2,n); /* Alphabetize the list */ if (s2 && (b = (char *) malloc(cmd_cols + 1))) { /* Make a line buffer */ char * bx; bx = b + cmd_cols; width += (int)strlen(pre) + (int)strlen(post) + 2; cols = cmd_cols / width; /* How many columns? */ if (cols < 1) cols = 1; height = n / cols; /* How long is each column? */ if (n % cols) height++; /* Add one for remainder, if any */ for (i = 0; i < height; i++) { /* Loop for each row */ for (j = 0; j < cmd_cols; j++) /* First fill row with blanks */ b[j] = SP; for (j = 0; j < cols; j++) { /* Loop for each column in row */ k = i + (j * height); /* Index of next filename */ if (k < n) { /* In range? */ pa = pre; px = post; p = s2[k]; /* Point to filename */ q = b + (j * width) + 1; /* and destination */ while ((q < bx) && (*q++ = *pa++)) ; /* Copy prefix */ q--; /* Back up over NUL */ while ((q < bx) && (*q++ = *p++)) ; /* Copy filename */ q--; /* Back up over NUL */ while ((q < bx) && (*q++ = *px++)) ; /* Copy suffix */ if (j < cols - 1) { q--; *q = SP; /* Replace the space */ } } } p = b + cmd_cols - 1; /* Last char in line */ while (*p-- == SP) ; /* Trim */ *(p+2) = NUL; printf("%s\n",b); /* Print the line */ if (++lc > (cmd_rows - 2)) { /* Screen full? */ if (!askmore()) { /* Do more-prompting... */ rc = 0; goto xfilhelp; } else lc = 0; } } printf("\n"); /* Blank line at end of report */ rc = 0; goto xfilhelp; } else { /* Malloc failure, no columns */ for (i = 0; i < n; i++) { znext(filbuf); printf("%s%s%s\n",pre,filbuf,post); if (++lc > (cmd_rows - 2)) { /* Screen full? */ if (!askmore()) { /* Do more-prompting... */ rc = 0; goto xfilhelp; } else lc = 0; } } xfilhelp: if (b) free(b); for (i = 0; i < n2; i++) if (s2[i]) free(s2[i]); if (s2) free(s2); return(rc); } } /* C M S E T U P -- Set up command buffers */ #ifdef DCMDBUF int cmsetup() { if (!(cmdbuf = malloc(CMDBL + 4))) return(-1); if (!(savbuf = malloc(CMDBL + 4))) return(-1); savbuf[0] = '\0'; #ifdef OLDHELP if (!(hlpbuf = malloc(HLPBL + 4))) return(-1); #endif /* OLDHELP */ if (!(atmbuf = malloc(ATMBL + 4))) return(-1); if (!(atxbuf = malloc(CMDBL + 4))) return(-1); if (!(atybuf = malloc(ATMBL + 4))) return(-1); if (!(filbuf = malloc(ATMBL + 4))) return(-1); if (!(cmprom = malloc(PROMPTL + 4))) return(-1); if (!(cmprxx = malloc(PROMPTL + 4))) return(-1); #ifdef CK_RECALL cmrini(cm_recall); #endif /* CK_RECALL */ return(0); } #ifdef CK_RECALL /* Initialize or change size of command recall buffer */ int cmrini(n) int n; { int i; if (recall && in_recall) { /* Free old storage, if any */ for (i = 0; i < cm_recall; i++) { if (recall[i]) { free(recall[i]); recall[i] = NULL; } } free(recall); recall = NULL; } cm_recall = n; /* Set new size */ rlast = current = -1; /* Initialize pointers */ if (n > 0) { recall = (char **)malloc((cm_recall + 1) * sizeof(char *)); if (!recall) return(1); for (i = 0; i < cm_recall; i++) { recall[i] = NULL; } in_recall = 1; /* Recall buffers init'd */ } return(0); } #endif /* CK_RECALL */ #endif /* DCMDBUF */ /* C M S E T P -- Set the program prompt. */ VOID cmsetp(s) char *s; { strncpy(cmprxx,s,PROMPTL - 1); cmprxx[PROMPTL] = NUL; psetf = 1; /* Flag that prompt has been set. */ } /* C M S A V P -- Save a copy of the current prompt. */ VOID #ifdef CK_ANSIC cmsavp(char s[], int n) #else cmsavp(s,n) char s[]; int n; #endif /* CK_ANSIC */ /* cmsavp */ { strncpy(s,cmprxx,n-1); s[n-1] = NUL; } /* P R O M P T -- Issue the program prompt. */ VOID prompt(f) xx_strp f; { char *sx, *sy; int n; if (psetf == 0) cmsetp(dfprom); /* If no prompt set, set default. */ sx = cmprxx; /* Unevaluated copy */ if (f) { /* If conversion function given */ sy = cmprom; /* Evaluate it */ debug(F101,"PROMPT sx","",sx); debug(F101,"PROMPT sy","",sy); n = PROMPTL; if ((*f)(sx,&sy,&n) < 0) /* If evaluation failed */ sx = cmprxx; /* revert to unevaluated copy */ else sx = cmprom; } else strcpy(cmprom,sx); #ifdef OSK fputs(sx, stdout); #else #ifdef MAC printf("%s", sx); #else printf("\r%s",sx); /* Print the prompt. */ fflush(stdout); /* Now! */ #endif /* MAC */ #endif /* OSK */ } #ifndef NOSPL VOID pushcmd() { /* For use with IF command. */ strncpy(savbuf,np,CMDBL); /* Save the dependent clause, */ cmres(); /* and clear the command buffer. */ debug(F110, "pushcmd: savbuf:", savbuf, 0); } #endif /* NOSPL */ #ifdef COMMENT /* no longer used... */ VOID popcmd() { strncpy(cmdbuf,savbuf,CMDBL); /* Put back the saved material */ *savbuf = '\0'; /* and clear the save buffer */ cmres(); } #endif /* COMMENT */ /* C M R E S -- Reset pointers to beginning of command buffer. */ VOID cmres() { inword = 0; /* We're not in a word */ cc = 0; /* Character count is zero */ /* Initialize pointers */ pp = cmdbuf; /* Beginning of current field */ bp = cmdbuf; /* Current position within buffer */ np = cmdbuf; /* Where to start next field */ cmflgs = -5; /* Parse not yet started. */ ungw = 0; /* Don't need to unget a word. */ } /* C M I N I -- Clear the command and atom buffers, reset pointers. */ /* The argument specifies who is to echo the user's typein -- 1 means the cmd package echoes 0 somebody else (system, front end, terminal) echoes */ VOID cmini(d) int d; { for (bp = cmdbuf; bp < cmdbuf+CMDBL; bp++) *bp = NUL; *atmbuf = *savbuf = *atxbuf = *atybuf = *filbuf = NUL; #ifdef OLDHELP *hlpbuf = NUL; #endif /* OLDHELP */ blocklvl = 0; /* Block level is 0 */ linebegin = 1; /* And we're at the beginning of a line */ dpx = d; /* Make a global copy of the echo flag */ cmres(); } #ifndef NOSPL /* The following bits are to allow the command package to call itself */ /* in the middle of a parse. To do this, begin by calling cmpush, and */ /* end by calling cmpop. */ #ifdef DCMDBUF struct cmp { int i[5]; /* stack for integers */ char *c[3]; /* stack for pointers */ char *b[8]; /* stack for buffer contents */ }; struct cmp *cmp = 0; #else int cmp_i[CMDDEP+1][5]; /* Stack for integers */ char *cmp_c[CMDDEP+1][5]; /* for misc pointers */ char *cmp_b[CMDDEP+1][7]; /* for buffer contents pointers */ #endif /* DCMDBUF */ int cmddep = -1; /* Current stack depth */ int cmpush() { /* Save the command environment */ char *cp; /* Character pointer */ if (cmddep >= CMDDEP) /* Enter a new command depth */ return(-1); cmddep++; debug(F101,"&cmpush","",cmddep); #ifdef DCMDBUF /* allocate memory for cmp if not already done */ if (!cmp && !(cmp = (struct cmp *) malloc(sizeof(struct cmp)*(CMDDEP+1)))) fatal("cmpush: no memory for cmp"); cmp[cmddep].i[0] = cmflgs; /* First do the global ints */ cmp[cmddep].i[1] = cmfsav; cmp[cmddep].i[2] = atxn; cmp[cmddep].i[3] = ungw; cmp[cmddep].c[0] = bp; /* Then the global pointers */ cmp[cmddep].c[1] = pp; cmp[cmddep].c[2] = np; #else cmp_i[cmddep][0] = cmflgs; /* First do the global ints */ cmp_i[cmddep][1] = cmfsav; cmp_i[cmddep][2] = atxn; cmp_i[cmddep][3] = ungw; cmp_c[cmddep][0] = bp; /* Then the global pointers */ cmp_c[cmddep][1] = pp; cmp_c[cmddep][2] = np; #endif /* DCMDBUF */ /* Now the buffers themselves. A lot of repititious code... */ #ifdef DCMDBUF cp = malloc((int)strlen(cmdbuf)+1); /* 0: Command buffer */ if (cp) strcpy(cp,cmdbuf); cmp[cmddep].b[0] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(savbuf)+1); /* 1: Save buffer */ if (cp) strcpy(cp,savbuf); cmp[cmddep].b[1] = cp; if (cp == NULL) return(-1); #ifdef OLDHELP cp = malloc((int)strlen(hlpbuf)+1); /* 2: Help string buffer */ if (cp) strcpy(cp,hlpbuf); cmp[cmddep].b[2] = cp; if (cp == NULL) return(-1); #else cmp[cmddep].b[2] = NULL; #endif /* OLDHELP */ cp = malloc((int)strlen(atmbuf)+1); /* 3: Atom buffer */ if (cp) strcpy(cp,atmbuf); cmp[cmddep].b[3] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(atxbuf)+1); /* 4: Expansion buffer */ if (cp) strcpy(cp,atxbuf); cmp[cmddep].b[4] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(atybuf)+1); /* 5: Atom buffer copy */ if (cp) strcpy(cp,atybuf); cmp[cmddep].b[5] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(filbuf)+1); /* 6: File name buffer */ if (cp) strcpy(cp,filbuf); cmp[cmddep].b[6] = cp; if (cp == NULL) return(-1); #else cp = malloc((int)strlen(cmdbuf)+1); /* 0: Command buffer */ if (cp) strcpy(cp,cmdbuf); cmp_b[cmddep][0] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(savbuf)+1); /* 1: Save buffer */ if (cp) strcpy(cp,savbuf); cmp_b[cmddep][1] = cp; if (cp == NULL) return(-1); #ifdef OLDHELP cp = malloc((int)strlen(hlpbuf)+1); /* 2: Help string buffer */ if (cp) strcpy(cp,hlpbuf); cmp_b[cmddep][2] = cp; if (cp == NULL) return(-1); #else cmp_b[cmddep][2] = NULL; #endif /* OLDHELP */ cp = malloc((int)strlen(atmbuf)+1); /* 3: Atom buffer */ if (cp) strcpy(cp,atmbuf); cmp_b[cmddep][3] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(atxbuf)+1); /* 4: Expansion buffer */ if (cp) strcpy(cp,atxbuf); cmp_b[cmddep][4] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(atybuf)+1); /* 5: Atom buffer copy */ if (cp) strcpy(cp,atybuf); cmp_b[cmddep][5] = cp; if (cp == NULL) return(-1); cp = malloc((int)strlen(filbuf)+1); /* 6: File name buffer */ if (cp) strcpy(cp,filbuf); cmp_b[cmddep][6] = cp; if (cp == NULL) return(-1); #endif /* DCMDBUF */ cmini(dpx); /* Initize the command parser */ return(0); } int cmpop() { /* Restore the command environment */ debug(F101,"&cmpop","",cmddep); if (cmddep < 0) return(-1); /* Don't pop too much! */ #ifdef DCMDBUF cmflgs = cmp[cmddep].i[0]; /* First do the global ints */ cmfsav = cmp[cmddep].i[1]; atxn = cmp[cmddep].i[2]; ungw = cmp[cmddep].i[3]; bp = cmp[cmddep].c[0]; /* Then the global pointers */ pp = cmp[cmddep].c[1]; np = cmp[cmddep].c[2]; #else cmflgs = cmp_i[cmddep][0]; /* First do the global ints */ cmfsav = cmp_i[cmddep][1]; atxn = cmp_i[cmddep][2]; ungw = cmp_i[cmddep][3]; bp = cmp_c[cmddep][0]; /* Then the global pointers */ pp = cmp_c[cmddep][1]; np = cmp_c[cmddep][2]; #endif /* DCMDBUF */ /* Now the buffers themselves. */ #ifdef DCMDBUF if (cmp[cmddep].b[0]) { strncpy(cmdbuf,cmp[cmddep].b[0],CMDBL); /* 0: Command buffer */ free(cmp[cmddep].b[0]); cmp[cmddep].b[0] = NULL; } if (cmp[cmddep].b[1]) { strncpy(savbuf,cmp[cmddep].b[1],CMDBL); /* 1: Save buffer */ free(cmp[cmddep].b[1]); cmp[cmddep].b[1] = NULL; } #ifdef OLDHELP if (cmp[cmddep].b[2]) { strncpy(hlpbuf,cmp[cmddep].b[2],HLPBL); /* 2: Help buffer */ free(cmp[cmddep].b[2]); cmp[cmddep].b[2] = NULL; } #endif /* OLDHELP */ if (cmp[cmddep].b[3]) { strncpy(atmbuf,cmp[cmddep].b[3],ATMBL); /* 3: Atomic buffer! */ free(cmp[cmddep].b[3]); cmp[cmddep].b[3] = NULL; } if (cmp[cmddep].b[4]) { strncpy(atxbuf,cmp[cmddep].b[4],ATMBL); /* 4: eXpansion buffer */ free(cmp[cmddep].b[4]); cmp[cmddep].b[4] = NULL; } if (cmp[cmddep].b[5]) { strncpy(atybuf,cmp[cmddep].b[5],ATMBL); /* 5: Atom buffer copY */ free(cmp[cmddep].b[5]); cmp[cmddep].b[5] = NULL; } if (cmp[cmddep].b[6]) { strncpy(filbuf,cmp[cmddep].b[6],ATMBL); /* 6: Filename buffer */ free(cmp[cmddep].b[6]); cmp[cmddep].b[6] = NULL; } #else if (cmp_b[cmddep][0]) { strncpy(cmdbuf,cmp_b[cmddep][0],CMDBL); /* 0: Command buffer */ free(cmp_b[cmddep][0]); cmp_b[cmddep][0] = NULL; } if (cmp_b[cmddep][1]) { strncpy(savbuf,cmp_b[cmddep][1],CMDBL); /* 1: Save buffer */ free(cmp_b[cmddep][1]); cmp_b[cmddep][1] = NULL; } #ifdef OLDHELP if (cmp_b[cmddep][2]) { strncpy(hlpbuf,cmp_b[cmddep][2],HLPBL); /* 2: Help buffer */ free(cmp_b[cmddep][2]); cmp_b[cmddep][2] = NULL; } #endif /* OLDHELP */ if (cmp_b[cmddep][3]) { strncpy(atmbuf,cmp_b[cmddep][3],ATMBL); /* 3: Atomic buffer! */ free(cmp_b[cmddep][3]); cmp_b[cmddep][3] = NULL; } if (cmp_b[cmddep][4]) { strncpy(atxbuf,cmp_b[cmddep][4],ATMBL); /* 4: eXpansion buffer */ free(cmp_b[cmddep][4]); cmp_b[cmddep][4] = NULL; } if (cmp_b[cmddep][5]) { strncpy(atybuf,cmp_b[cmddep][5],ATMBL); /* 5: Atom buffer copY */ free(cmp_b[cmddep][5]); cmp_b[cmddep][5] = NULL; } if (cmp_b[cmddep][6]) { strncpy(filbuf,cmp_b[cmddep][6],ATMBL); /* 6: Filename buffer */ free(cmp_b[cmddep][6]); cmp_b[cmddep][6] = NULL; } #endif /* DCMDBUF */ cmddep--; /* Rise, rise */ debug(F101,"&cmpop","",cmddep); return(cmddep); } #endif /* NOSPL */ #ifdef COMMENT VOID stripq(s) char *s; { /* Function to strip '\' quotes */ char *t; while (*s) { if (*s == CMDQ) { for (t = s; *t != '\0'; t++) *t = *(t+1); } s++; } } #endif /* COMMENT */ /* Convert tabs to spaces, one for one */ VOID untab(s) char *s; { while (*s) { if (*s == HT) *s = SP; s++; } } /* C M N U M -- Parse a number in the indicated radix */ /* The only radix allowed in unquoted numbers is 10. Parses unquoted numeric strings in base 10. Parses backslash-quoted numbers in the radix indicated by the quote: \nnn = \dnnn = decimal, \onnn = octal, \xnn = Hexadecimal. If these fail, then if a preprocessing function is supplied, that is applied and then a second attempt is made to parse an unquoted decimal string. And if that fails, the preprocessed string is passed to an arithmetic expression evaluator. Returns: -3 if no input present when required, -2 if user typed an illegal number, -1 if reparse needed, 0 otherwise, with argument n set to the number that was parsed */ int cmnum(xhlp,xdef,radix,n,f) char *xhlp, *xdef; int radix, *n; xx_strp f; { int x; char *s, *zp, *zq; if (radix != 10) { /* Just do base 10 */ printf("cmnum: illegal radix - %d\n",radix); return(-1); } /* Easy to add others but there has never been a need for it. */ x = cmfld(xhlp,xdef,&s,(xx_strp)0); debug(F101,"cmnum: cmfld","",x); if (x < 0) return(x); /* Parse a field */ zp = atmbuf; /* Edit 192 - Allow any number field to be braced. This lets us included spaces in expressions, but perhaps more important lets us have user-defined functions in numeric fields, since these always have spaces in them. */ if (*zp == '{') { /* Braced field, strip braces */ x = (int) strlen(atmbuf); if (x > 0) { /* The "if" is to shut up optimizers */ *(atmbuf+x-1) = NUL; /* that complain about a possible */ zp++; /* reference to atbmbuf[-1] even */ } /* though we know that x > 0. */ } if (chknum(zp)) { /* Check for decimal number */ *n = atoi(zp); /* Got one, we're done. */ debug(F101,"cmnum 1st chknum ok","",*n); return(0); } else if ((x = xxesc(&zp)) > -1) { /* Check for backslash escape */ #ifndef OS2 *n = x; #else *n = wideresult; #endif /* OS2 */ debug(F101,"cmnum xxesc ok","",*n); return(*zp ? -2 : 0); } else if (f) { /* If conversion function given */ zq = atxbuf; /* Try that */ atxn = CMDBL; (*f)(zp,&zq,&atxn); /* Convert */ zp = atxbuf; } debug(F110,"cmnum zp",zp,0); if (chknum(zp)) { /* Check again for decimal number */ *n = atoi(zp); /* Got one, we're done. */ debug(F101,"cmnum 2nd chknum ok","",*n); return(0); #ifndef NOSPL } else if ((x = xxesc(&zp)) > -1) { /* Check for backslash escape */ #ifndef OS2 *n = x; #else *n = wideresult; #endif /* OS2 */ debug(F101,"cmnum xxesc 2 ok","",*n); return(*zp ? -2 : 0); } else if (f) { /* Not numeric, maybe an expression */ char *p; _PROTOTYP(char * evala, (char *)); p = evala(zp); if (chknum(p)) { *n = atoi(p); debug(F101,"cmnum exp eval ok","",*n); return(0); } else return(-2); #endif /* NOSPL */ } else { /* Not numeric */ return(-2); } } /* C M O F I -- Parse the name of an output file */ /* Depends on the external function zchko(); if zchko() not available, use cmfld() to parse output file names. Returns: -9 like -2, except message already printed, -3 if no input present when required, -2 if permission would be denied to create the file, -1 if reparse needed, 0 or 1 if file can be created, with xp pointing to name. 2 if given the name of an existing directory. */ int cmofi(xhlp,xdef,xp,f) char *xhlp, *xdef, **xp; xx_strp f; { int x; char *s, *zq; #ifdef OS2 int tries; #endif /* OS2 */ #ifdef DTILDE _PROTOTYP( char * tilde_expand, (char *) ); char *dirp; #endif /* DTILDE */ if (*xhlp == NUL) xhlp = "Output file"; *xp = ""; if ((x = cmfld(xhlp,xdef,&s,(xx_strp)0)) < 0) return(x); debug(F111,"cmofi 1",s,x); if (*s == '{') { /* Strip enclosing braces */ int n; n = strlen(s); if (s[n-1] == '}') { s[n-1] = NUL; s++; } } debug(F110,"cmofi 1.5",s,0); #ifdef OS2 tries = 0; { char *p = s, q; /* This is really ugly. If we skip conversion the first time through, then variable names like \%a will be used as filenames (e.g. creating a file called %A in the root directory). If we DON'T skip conversion the first time through, then single backslashes used as directory separators in filenames will be misinterpreted as variable lead-ins. So we prescan to see if it has any variable references. But this module is not supposed to know anything about variables, functions, etc, so this code does not really belong here, but rather it should be at the same level as zzstring(). */ while ( (tries == 0) && (p = strchr(p,CMDQ)) ) { q = *(p+1); /* Char after backslash */ if (!q) /* None, quit */ break; if (isupper(q)) /* If letter, convert to lowercase */ q = tolower(q); if (isdigit(q)) { /* If it's a digit, */ tries = 1; /* assume it's a backslash code */ break; } switch (q) { case CMDQ: /* Double backslash */ tries = 1; /* so call the conversion function */ break; case '%': /* Variable or array reference */ case '&': /* must be followed by letter */ if (isalpha(*(p+2)) || (*(p+2) >= '0' && *(p+2) <= '9')) tries = 1; break; case 'm': case 'v': case '$': /* \m(), \v(), \$() */ if (*(p+2) == '(') if (strchr(p+2,')')) tries = 1; break; case 'f': /* \Fname() */ if (strchr(p+2,'(')) if (strchr(p+2,')')) tries = 1; break; case '{': /* \{...} */ if (strchr(p+2,'}')) tries = 1; break; case 'd': case 'o': /* Decimal or Octal number */ if (isdigit(*(p+2))) tries = 1; break; case 'x': /* Hex number */ if (isdigit(*(p+2)) || ((*(p+2) >= 'a' && *(p+2) <= 'f') || ((*(p+2) >= 'A' && *(p+2) <= 'F')))) tries = 1; default: break; } p++; } } o_again: if (tries == 1) #endif /* OS2 */ if (f) { /* If a conversion function is given */ zq = atxbuf; /* do the conversion. */ atxn = CMDBL; if ((x = (*f)(s,&zq,&atxn)) < 0) return(-2); s = atxbuf; } debug(F111,"cmofi 2",s,x); #ifdef DTILDE dirp = tilde_expand(s); /* Expand tilde, if any, */ if (*dirp != '\0') { /* right in the atom buffer. */ if (setatm(dirp,1) < 0) { printf("?Name too long\n"); return(-9); } } s = atmbuf; debug(F110,"cmofi 3",s,0); #endif /* DTILDE */ if (iswild(s)) { printf("?Wildcards not allowed - %s\n",s); return(-2); } debug(F110,"cmofi 4",s,0); #ifdef CK_TMPDIR /* isdir() function required for this! */ if (isdir(s)) { debug(F110,"cmofi 5: is directory",s,0); *xp = s; return(2); } #endif /* CK_TMPDIR */ if (strcmp(s,CTTNAM) && (zchko(s) < 0)) { /* OK to write to console */ #ifdef COMMENT #ifdef OS2 /* We don't try again because we already prescanned the string to see if if contained anything that could be used by zzstring(). */ if (tries++ < 1) goto o_again; #endif /* OS2 */ #endif /* COMMENT */ debug(F110,"cmofi 6: failure",s,0); printf("?Write permission denied - %s\n",s); return(-9); } else { debug(F110,"cmofi 7: ok",s,0); *xp = s; return(x); } } /* C M I F I -- Parse the name of an existing file */ /* This function depends on the external functions: zchki() - Check if input file exists and is readable. zxpand() - Expand a wild file specification into a list. znext() - Return next file name from list. If these functions aren't available, then use cmfld() to parse filenames. */ /* Returns -4 EOF -3 if no input present when required, -2 if file does not exist or is not readable, -1 if reparse needed, 0 or 1 otherwise, with: xp pointing to name, wild = 1 if name contains '*' or '?', 0 otherwise. */ int cmifi(xhlp,xdef,xp,wild,f) char *xhlp, *xdef, **xp; int *wild; xx_strp f; { return(cmifi2(xhlp,xdef,xp,wild,0,NULL,f)); } /* cmifip() is called when we want to supply a path or path list to search in case the filename that the user gives is (a) not absolute, and (b) can't be found as given. The path string can be the name of a single directory, or a list of directories separated by the PATHSEP character, defined in ckucmd.h. Look in ckuusr.c and ckuus3.c for examples of usage. */ int cmifip(xhlp,xdef,xp,wild,d,path,f) char *xhlp,*xdef,**xp; int *wild, d; char * path; xx_strp f; { return(cmifi2(xhlp,xdef,xp,wild,0,path,f)); } /* cmifi2() is for use when you also want to parse a directory or device name as an input file, as in the DIRECTORY command. */ int cmifi2(xhlp,xdef,xp,wild,d,path,f) char *xhlp,*xdef,**xp; int *wild, d; char * path; xx_strp f; { #define NEWCMIFI #ifdef NEWCMIFI /* New version... */ int i, x, xc; long y; char *sp, *zq; char *sv = NULL; #ifdef DTILDE char *tilde_expand(), *dirp; #endif /* DTILDE */ #ifndef NOPARTIAL #ifndef OS2 #ifdef OSK /* This large array is dynamic for OS-9 -- should do for others too... */ extern char **mtchs; #else #ifdef UNIX /* OK, for UNIX too */ extern char **mtchs; #else extern char *mtchs[]; #endif /* UNIX */ #endif /* OSK */ #endif /* OS2 */ #endif /* NOPARTIAL */ inword = 0; /* Initialize counts & pointers */ cc = 0; xc = 0; *xp = ""; if ((x = cmflgs) != 1) { /* Already confirmed? */ #ifdef BS_DIRSEP cmdirflg = 1; x = gtword(); /* No, get a word */ cmdirflg = 0; #else x = gtword(); /* No, get a word */ #endif /* BS_DIRSEP */ } else { /* If so, use default, if any. */ if (setatm(xdef,0) < 0) { printf("?Default input filename too long\n"); return(-9); } } i_path: *xp = atmbuf; /* Point to result. */ while (1) { xc += cc; /* Count this character. */ debug(F111,"cmifi gtword",atmbuf,xc); debug(F101,"cmifi switch x","",x); switch (x) { case -9: printf("Command or field too long\n"); case -4: /* EOF */ case -2: /* Out of space. */ case -1: /* Reparse needed */ return(x); case 0: /* SP or NL */ case 1: if (xc == 0) *xp = xdef; /* If no input, return default. */ if (**xp == NUL) return(-3); /* If field empty, return -3. */ if (**xp == '{') { /* Strip enclosing braces first */ char *s = *xp; /* which might have been used if */ int n; /* a filespec included spaces... */ n = strlen(s); if (s[n-1] == '}') { s[n-1] = NUL; s++; *xp = s; } } #ifdef OS2 /* In OS/2 and Windows, if we're parsing directory name, allow a disk name */ if (d && ((int)strlen(*xp) == 2)) if (isalpha(**xp) && *(*xp + 1) == ':') return(x); #endif /* OS2 */ #ifndef NOSPL if (f) { /* If a conversion function is given */ char *s = *xp; /* See if there are any variables in */ while (*s) { /* the string and if so, expand them */ if (chkvar(s)) { zq = atxbuf; atxn = CMDBL; if ((y = (*f)(*xp,&zq,&atxn)) < 0) return(-2); if ((int) strlen(atxbuf) > 0) { *xp = atxbuf; break; } } s++; } } #endif /* NOSPL */ debug(F110,"cmifi atxbuf",atxbuf,0); if (!sv) { /* Only do this once */ sv = malloc((int)strlen(*xp)+1); /* Make a safe copy */ if (!sv) { printf("?malloc error 73, cmifi\n"); return(-9); } strcpy(sv,*xp); debug(F110,"cmifi sv",sv,0); } y = zxpand(*xp); *wild = (y > 1); debug(F111,"cmifi sv wild",sv,*wild); if (y == 0) { if (path && !isabsolute(sv)) { char * ptr = path; char c; while (1) { c = *ptr; if (c == PATHSEP || c == NUL) { if (!*path) { path = NULL; break; } *ptr = NUL; strcpy(atmbuf,path); strcat(atmbuf,sv); debug(F110,"cmifip add path",atmbuf,0); if (c == PATHSEP) ptr++; path = ptr; break; } ptr++; } x = 1; inword = 0; cc = 0; xc = (int) strlen(atmbuf); *xp = ""; goto i_path; } if (d) { if (sv) free(sv); return(-2); } else { printf("?No files match - %s\n",sv); if (sv) free(sv); return(-9); } } else if (y < 0) { printf("?Too many files match - %s\n",sv); if (sv) free(sv); return(-9); } else if (y > 1) { if (sv) free(sv); return(x); } /* If not wild, see if it exists and is readable. */ debug(F111,"cmifi sv not wild",sv,*wild); znext(*xp); /* Get first (only?) matching file */ y = zchki(*xp); /* Check its accessibility */ zxpand(sv); /* Rewind so next znext() gets 1st */ free(sv); /* done with this */ sv = NULL; if (y == -3) { printf("?Read permission denied - %s\n",*xp); return(-9); } else if (y == -2) { if (d) return(0); printf("?File not readable - %s\n",*xp); return(-9); } else if (y < 0) { printf("?File not found - %s\n",*xp); return(-9); } return(x); #ifndef MAC case 2: /* ESC */ debug(F101,"cmifi esc, xc","",xc); if (xc == 0) { if (*xdef != '\0') { printf("%s ",xdef); /* If at beginning of field, */ #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ inword = cmflgs = 0; addbuf(xdef); /* Supply default. */ if (setatm(xdef,0) < 0) { printf("Default input filename too long\n"); return(-9); } } else { /* No default */ bleep(BP_WARN); } break; } #ifndef NOSPL if (f) { /* If a conversion function is given */ char *s = *xp; /* See if there are any variables in */ while (*s) { /* the string and if so, expand it. */ if (chkvar(s)) { zq = atxbuf; atxn = CMDBL; if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); /* reduce cc by number of \\ consumed by conversion */ /* function (needed for OS/2, where \ is path separator) */ if ((int) strlen(atxbuf) > 0) { cc -= (strlen(*xp) - strlen(atxbuf)); *xp = atxbuf; break; } } s++; } } #endif /* NOSPL */ #ifdef DTILDE dirp = tilde_expand(*xp); /* Expand tilde, if any, */ if (*dirp != '\0') { /* in the atom buffer. */ if (setatm(dirp,0) < 0) { printf("Expanded input filename too long\n"); return(-9); } } *xp = atmbuf; #endif /* DTILDE */ sp = *xp + cc; #ifdef datageneral *sp++ = '+'; /* Data General AOS wildcard */ #else *sp++ = '*'; /* Others */ #endif /* datageneral */ *sp-- = '\0'; #ifdef GEMDOS if (! strchr(*xp, '.')) /* abde.e -> abcde.e* */ strcat(*xp, ".*"); /* abc -> abc*.* */ #endif /* GEMDOS */ y = zxpand(*xp); /* Add wildcard and expand list. */ if (y > 0) { #ifdef OS2 znext(filbuf); zxpand(*xp); /* Must "rewind" */ #else strcpy(filbuf,mtchs[0]); #endif /* OS2 */ } else *filbuf = '\0'; *sp = '\0'; /* Remove wildcard. */ *wild = (y > 1); if (y == 0) { printf("?No files match - %s\n",atmbuf); return(-9); } else if (y < 0) { printf("?Too many files match - %s\n",atmbuf); return(-9); } else if (y > 1) { /* Not unique. */ #ifndef NOPARTIAL /* Partial filename completion */ int i, j, k; char c; k = 0; debug(F111,"cmifi partial",filbuf,cc); #ifdef OS2 { int cur = 0, len = 0, len2 = 0, min = strlen(filbuf); char localfn[257]; len = min; for (j = 1; j < y; j++) { znext(localfn); len2 = strlen(localfn); for (cur = cc; cur < len && cur < len2 && cur <= min; cur++ ) { if (tolower(filbuf[cur]) != tolower(localfn[cur]) ) break; } if (cur < min) min = cur; } filbuf[min] = NUL; if (min > cc) k++; } #else /* OS2 */ for (i = cc; (c = filbuf[i]); i++) { for (j = 1; j < y; j++) if (mtchs[j][i] != c) break; if (j == y) k++; else filbuf[i] = filbuf[i+1] = NUL; } #endif /* OS2 */ debug(F111,"cmifi partial k",filbuf,k); if (k > 0) { /* Got more characters */ sp = filbuf + cc; /* Point to new ones */ #ifdef VMS for (i = 0; i < cc; i++) { cmdchardel(); /* Back up over old partial spec */ bp--; } sp = filbuf; /* Point to new word start */ debug(F100,"cmifi vms erase ok","",0); #endif /* VMS */ cc = k; /* How many new ones we just got */ printf("%s",sp); /* Print them */ while (*bp++ = *sp++) ; /* Copy to command buffer */ bp--; /* Back up over NUL */ debug(F110,"cmifi partial cmdbuf",cmdbuf,0); if (setatm(filbuf,0) < 0) { printf("?Partial filename too long\n"); return(-9); } debug(F111,"cmifi partial atmbuf",atmbuf,cc); *xp = atmbuf; } #endif /* NOPARTIAL */ bleep(BP_WARN); } else { /* Unique, complete it. */ #ifndef VMS #ifdef CK_TMPDIR /* isdir() function required for this! */ if (isdir(filbuf)) { #ifdef UNIX strcat(filbuf,"/"); #endif #ifdef OS2 strcat(filbuf,"/"); #endif #ifdef AMIGA strcat(filbuf,"/"); #endif #ifdef OSK strcat(filbuf,"/"); #endif #ifdef datageneral strcat(filbuf,":"); #endif #ifdef MAC strcat(filbuf,":"); #endif #ifdef STRATUS strcat(filbuf,">"); #endif #ifdef GEMDOS strcat(filbuf,"\\"); #endif sp = filbuf + cc; bleep(BP_WARN); printf("%s",sp); cc++; while (*bp++ = *sp++) ; bp--; if (setatm(filbuf,0) < 0) { printf("?Directory name too long\n"); return(-9); } debug(F111,"cmifi directory atmbuf",atmbuf,cc); *xp = atmbuf; } else { /* Not a directory... */ #endif /* CK_TMPDIR */ #endif /* VMS */ sp = filbuf + cc; /* Point past what user typed. */ #ifdef VMS for (i = 0; i < cc; i++) { cmdchardel(); /* Back up over old partial spec */ bp--; } sp = filbuf; /* Point to new word start */ #endif /* VMS */ printf("%s ",sp); /* Complete the name. */ #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ addbuf(sp); /* Add the characters to cmdbuf. */ if (setatm(filbuf,0) < 0) { /* And to atmbuf. */ printf("?Completed filename too long\n"); return(-9); } inword = cmflgs = 0; *xp = atmbuf; /* Return pointer to atmbuf. */ return(0); #ifndef VMS #ifdef CK_TMPDIR } #endif /* CK_TMPDIR */ #endif /* VMS */ } break; case 3: /* Question mark - file menu wanted */ if (*xhlp == NUL) printf(" Input file specification"); else printf(" %s",xhlp); #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ #ifdef OLDHELP if (xc > 0) { #endif /* OLDHELP */ #ifndef NOSPL if (f) { /* If a conversion function is given */ char *s = *xp; /* See if there are any variables in */ while (*s) { /* the string and if so, expand them */ if (chkvar(s)) { zq = atxbuf; atxn = CMDBL; if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); if ((int) strlen(atxbuf) > 0) { *xp = atxbuf; break; } } s++; } } #endif /* NOSPL */ #ifdef DTILDE dirp = tilde_expand(*xp); /* Expand tilde, if any */ if (*dirp != '\0') { if (setatm(dirp,0) < 0) { printf("?Expanded filename too long\n"); return(-9); } } *xp = atmbuf; #endif /* DTILDE */ debug(F111,"cmifi ? *xp, cc",*xp,cc); sp = *xp + cc; /* Insert "*" at end */ #ifdef datageneral *sp++ = '+'; /* Insert +, the DG wild card */ #else *sp++ = '*'; #endif /* datageneral */ *sp-- = '\0'; #ifdef GEMDOS if (! strchr(*xp, '.')) /* abde.e -> abcde.e* */ strcat(*xp, ".*"); /* abc -> abc*.* */ #endif /* GEMDOS */ debug(F110,"cmifi ? wild",*xp,0); y = zxpand(*xp); *sp = '\0'; if (y == 0) { printf("?No files match - %s\n",atmbuf); return(-9); } else if (y < 0) { printf("?Too many files match - %s\n",atmbuf); return(-9); } else { printf(", one of the following:\n"); #ifdef OLDHELP clrhlp(); for (i = 0; i < y; i++) { znext(filbuf); #ifdef VMS printf(" %s\n",filbuf); /* VMS names can be long */ #else addhlp(filbuf); #endif /* VMS */ } dmphlp(); #else /* New way... */ if (filhelp(y,"","",1) < 0) return(-9); #endif /* OLDHELP */ } #ifdef OLDHELP } else printf("\n"); #endif /* OLDHELP */ printf("%s%s",cmprom,cmdbuf); fflush(stdout); break; #endif /* MAC */ } #ifdef BS_DIRSEP cmdirflg = 1; x = gtword(); /* No, get a word */ cmdirflg = 0; #else x = gtword(); /* No, get a word */ #endif /* BS_DIRSEP */ *xp = atmbuf; } #else /* Not NEWCMIFI ... */ int i, x, xc; long y; char *sp, *zq; char *sv = NULL; #ifdef DTILDE char *tilde_expand(), *dirp; #endif /* DTILDE */ #ifdef OS2 int tries; #endif /* OS2 */ #ifndef NOPARTIAL #ifndef OS2 #ifdef OSK extern char **mtchs; /* This large array is dynamic for OS-9 */ #else extern char *mtchs[]; #endif /* OSK */ #endif /* OS2 */ #endif /* NOPARTIAL */ inword = 0; /* Initialize counts & pointers */ cc = 0; xc = 0; *xp = ""; if ((x = cmflgs) != 1) { /* Already confirmed? */ #ifdef BS_DIRSEP cmdirflg = 1; x = gtword(); /* No, get a word */ cmdirflg = 0; #else x = gtword(); /* No, get a word */ #endif /* BS_DIRSEP */ } else { /* If so, use default, if any. */ if (setatm(xdef,0) < 0) { printf("?Default input filename too long\n"); return(-9); } } i_path: *xp = atmbuf; /* Point to result. */ while (1) { xc += cc; /* Count the characters. */ debug(F111,"cmifi gtword",atmbuf,xc); debug(F101,"cmifi switch x","",x); switch (x) { case -9: printf("Command or field too long\n"); case -4: /* EOF */ case -2: /* Out of space. */ case -1: /* Reparse needed */ return(x); case 0: /* SP or NL */ case 1: if (xc == 0) *xp = xdef; /* If no input, return default. */ if (**xp == NUL) return(-3); /* If field empty, return -3. */ if (**xp == '{') { /* Strip enclosing braces first */ char *s = *xp; int n; n = strlen(s); if (s[n-1] == '}') { s[n-1] = NUL; s++; *xp = s; } } #ifdef OS2 if (d && ((int)strlen(*xp) == 2)) if (isalpha(**xp) && *(*xp + 1) == ':') return(x); tries = 0; i_again: if (tries > 0) #endif /* OS2 */ if (f) { /* If a conversion function is given */ zq = atxbuf; /* ... */ atxn = CMDBL; if ((y = (*f)(*xp,&zq,&atxn)) < 0) return(-2); *xp = atxbuf; } debug(F110,"cmifi atxbuf",atxbuf,0); if (!sv) { /* Only do this once */ sv = malloc((int)strlen(*xp)+1); /* Make a safe copy */ if (!sv) { printf("?malloc error 73, cmifi\n"); return(-9); } strcpy(sv,*xp); debug(F110,"cmifi sv",sv,0); } y = zxpand(*xp); *wild = (y > 1); debug(F111,"cmifi sv wild",sv,*wild); if (y == 0) { if (path && !isabsolute(sv)) { char * ptr = path; char c; while (1) { c = *ptr; if (c == PATHSEP || c == NUL) { if (!*path) { path = NULL; break; } *ptr = NUL; strcpy(atmbuf,path); strcat(atmbuf,sv); debug(F110,"cmifip add path",atmbuf,0); if (c == PATHSEP) ptr++; path = ptr; break; } ptr++; } x = 1; inword = 0; cc = 0; xc = (int) strlen(atmbuf); *xp = ""; goto i_path; } #ifdef OS2 if (tries++ < 1) goto i_again; #endif /* OS2 */ if (sv) free(sv); if (d) { return(-2); } else { printf("?No files match - %s\n",*xp); return(-9); } } else if (y < 0) { printf("?Too many files match - %s\n",*xp); if (sv) free(sv); return(-9); } else if (y > 1) { if (sv) free(sv); return(x); } /* If not wild, see if it exists and is readable. */ debug(F111,"cmifi sv not wild",sv,*wild); znext(*xp); /* Get first (only?) matching file */ y = zchki(*xp); /* Check its accessibility */ zxpand(sv); /* Rewind so next znext() gets 1st */ free(sv); /* done with this */ sv = NULL; if (y == -3) { printf("?Read permission denied - %s\n",*xp); return(-9); } else if (y == -2) { if (d) return(0); printf("?File not readable - %s\n",*xp); return(-9); } else if (y < 0) { printf("?File not found - %s\n",*xp); return(-9); } return(x); #ifndef MAC case 2: /* ESC */ debug(F101,"cmifi esc, xc","",xc); #ifdef OS2 tries = 0; #endif /* OS2 */ if (xc == 0) { if (*xdef != '\0') { printf("%s ",xdef); /* If at beginning of field, */ #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ inword = cmflgs = 0; addbuf(xdef); /* Supply default. */ if (setatm(xdef,0) < 0) { printf("Default input filename too long\n"); return(-9); } } else { /* No default */ bleep(BP_WARN); } break; } #ifdef OS2 e_again: if (tries > 0) #endif /* OS2 */ if (f) { /* If a conversion function is given */ zq = atxbuf; /* ... */ atxn = CMDBL; if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); /* reduce cc by number of \\ consumed by conversion */ /* function (needed for OS/2, where \ is path separator) */ cc -= (strlen(*xp) - strlen(atxbuf)); *xp = atxbuf; } #ifdef DTILDE dirp = tilde_expand(*xp); /* Expand tilde, if any, */ if (*dirp != '\0') { /* in the atom buffer. */ if (setatm(dirp,0) < 0) { printf("Expanded input filename too long\n"); return(-9); } } *xp = atmbuf; #endif /* DTILDE */ sp = *xp + cc; #ifdef datageneral *sp++ = '+'; /* Data General AOS wildcard */ #else *sp++ = '*'; /* Others */ #endif /* datageneral */ *sp-- = '\0'; #ifdef GEMDOS if (! strchr(*xp, '.')) /* abde.e -> abcde.e* */ strcat(*xp, ".*"); /* abc -> abc*.* */ #endif /* GEMDOS */ y = zxpand(*xp); /* Add wildcard and expand list. */ if (y > 0) #ifdef OS2 znext(filbuf); else strcpy(filbuf,mtchs[0]); #endif /* OS2 */ else *filbuf = NUL; *sp = '\0'; /* Remove wildcard. */ *wild = (y > 1); if (y == 0) { #ifdef OS2 if (tries++ < 1) goto e_again; else #endif /* OS2 */ printf("?No files match - %s\n",atmbuf); return(-9); } else if (y < 0) { printf("?Too many files match - %s\n",atmbuf); return(-9); } else if (y > 1) { /* Not unique. */ #ifndef NOPARTIAL /* Partial filename completion */ int i, j, k; char c; k = 0; debug(F111,"cmifi partial",filbuf,cc); #ifdef OS2 { int cur = 0, len = 0, len2 = 0, min = strlen(filbuf); char localfn[257]; len = min; for (j = 1; j < y; j++) { znext(localfn); len2 = strlen(localfn); for (cur=cc; cur < len && cur < len2 && cur <= min; cur++ ) { if (tolower(filbuf[cur]) != tolower(localfn[cur]) ) break; } if (cur < min) min = cur; } filbuf[min] = NUL; if (min > cc) k++; } #else /* OS2 */ for (i = cc; (c = filbuf[i]); i++) { for (j = 1; j < y; j++) if (mtchs[j][i] != c) break; if (j == y) k++; else filbuf[i] = filbuf[i+1] = NUL; } #endif /* OS2 */ debug(F111,"cmifi partial k",filbuf,k); if (k > 0) { /* Got more characters */ sp = filbuf + cc; /* Point to new ones */ #ifdef VMS for (i = 0; i < cc; i++) { cmdchardel(); /* Back up over old partial spec */ bp--; } sp = filbuf; /* Point to new word start */ debug(F100,"cmifi vms erase ok","",0); #endif /* VMS */ cc = k; /* How many new ones we just got */ printf("%s",sp); /* Print them */ while (*bp++ = *sp++) ; /* Copy to command buffer */ bp--; /* Back up over NUL */ debug(F110,"cmifi partial cmdbuf",cmdbuf,0); if (setatm(filbuf,0) < 0) { printf("?Partial filename too long\n"); return(-9); } debug(F111,"cmifi partial atmbuf",atmbuf,cc); *xp = atmbuf; } #endif /* NOPARTIAL */ bleep(BP_WARN); } else { /* Unique, complete it. */ #ifndef VMS #ifdef CK_TMPDIR /* isdir() function required for this! */ if (isdir(filbuf)) { #ifdef UNIX strcat(filbuf,"/"); #endif #ifdef OS2 strcat(filbuf,"/"); #endif #ifdef AMIGA strcat(filbuf,"/"); #endif #ifdef OSK strcat(filbuf,"/"); #endif #ifdef datageneral strcat(filbuf,":"); #endif #ifdef MAC strcat(filbuf,":"); #endif #ifdef STRATUS strcat(filbuf,">"); #endif #ifdef GEMDOS strcat(filbuf,"\\"); #endif sp = filbuf + cc; bleep(BP_WARN); printf("%s",sp); cc++; while (*bp++ = *sp++) ; bp--; if (setatm(filbuf,0) < 0) { printf("?Directory name too long\n"); return(-9); } debug(F111,"cmifi directory atmbuf",atmbuf,cc); *xp = atmbuf; } else { /* Not a directory... */ #endif /* CK_TMPDIR */ #endif /* VMS */ sp = filbuf + cc; /* Point past what user typed. */ #ifdef VMS for (i = 0; i < cc; i++) { cmdchardel(); /* Back up over old partial spec */ bp--; } sp = filbuf; /* Point to new word start */ #endif /* VMS */ printf("%s ",sp); /* Complete the name. */ #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ addbuf(sp); /* Add the characters to cmdbuf. */ if (setatm(filbuf,0) < 0) { /* And to atmbuf. */ printf("?Completed filename too long\n"); return(-9); } inword = cmflgs = 0; *xp = atmbuf; /* Return pointer to atmbuf. */ return(0); #ifndef VMS #ifdef CK_TMPDIR } #endif /* CK_TMPDIR */ #endif /* VMS */ } break; case 3: /* Question mark */ #ifdef OS2 tries = 0; #endif /* OS2 */ if (*xhlp == NUL) printf(" Input file specification"); else printf(" %s",xhlp); #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ if (xc > 0) { #ifdef OS2 q_again: if (tries > 0) #endif /* OS2 */ if (f) { /* If a conversion function is given */ zq = atxbuf; /* ... */ atxn = CMDBL; if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); *xp = atxbuf; } #ifdef DTILDE dirp = tilde_expand(*xp); /* Expand tilde, if any */ if (*dirp != '\0') { if (setatm(dirp,0) < 0) { printf("?Expanded filename too long\n"); return(-9); } } *xp = atmbuf; #endif /* DTILDE */ debug(F111,"cmifi ? *xp, cc",*xp,cc); sp = *xp + cc; /* Insert "*" at end */ #ifdef datageneral *sp++ = '+'; /* Insert +, the DG wild card */ #else *sp++ = '*'; #endif /* datageneral */ *sp-- = '\0'; #ifdef GEMDOS if (! strchr(*xp, '.')) /* abde.e -> abcde.e* */ strcat(*xp, ".*"); /* abc -> abc*.* */ #endif /* GEMDOS */ debug(F110,"cmifi ? wild",*xp,0); y = zxpand(*xp); *sp = '\0'; if (y == 0) { #ifdef OS2 if (tries++ < 1) goto q_again; else #endif /* OS2 */ printf("?No files match - %s\n",atmbuf); return(-9); } else if (y < 0) { printf("?Too many files match - %s\n",atmbuf); return(-9); } else { printf(", one of the following:\n"); clrhlp(); for (i = 0; i < y; i++) { znext(filbuf); #ifdef VMS printf(" %s\n",filbuf); /* VMS names can be long */ #else addhlp(filbuf); #endif /* VMS */ } dmphlp(); } } else printf("\n"); printf("%s%s",cmprom,cmdbuf); fflush(stdout); break; #endif /* MAC */ } #ifdef BS_DIRSEP cmdirflg = 1; x = gtword(); /* No, get a word */ cmdirflg = 0; #else x = gtword(); /* No, get a word */ #endif /* BS_DIRSEP */ *xp = atmbuf; } #endif /* NEWCMIFI */ } /* C M D I R -- Parse a directory specification */ /* This function depends on the external functions: zchki() - Check if input file exists and is readable. If these functions aren't available, then use cmfld() to parse dir names. Note: this function quickly cobbled together, mainly by deleting lots of lines from cmifi(). It seems to work, but various services are missing, like completion, lists of matching directories on "?", etc. */ /* Returns -4 EOF -3 if no input present when required, -2 if out of space or other internal error, -1 if reparse needed, 0 or 1, with xp pointing to name, if directory specified, 2 if a wildcard was included. */ int cmdir(xhlp,xdef,xp,f) char *xhlp, *xdef, **xp; xx_strp f; { int x, xc; char *zq; #ifdef DTILDE char *tilde_expand(), *dirp; #endif /* DTILDE */ inword = 0; /* Initialize counts & pointers */ cc = 0; xc = 0; *xp = ""; if ((x = cmflgs) != 1) { /* Already confirmed? */ #ifdef BS_DIRSEP cmdirflg = 1; x = gtword(); /* No, get a word */ cmdirflg = 0; #else x = gtword(); /* No, get a word */ #endif /* BS_DIRSEP */ } else { if (setatm(xdef,0) < 0) { /* If so, use default, if any. */ printf("?Default directory name too long\n"); return(-9); } } *xp = atmbuf; /* Point to result. */ while (1) { xc += cc; /* Count the characters. */ debug(F111,"cmdir gtword",atmbuf,xc); switch (x) { case -9: printf("Command or field too long\n"); case -4: /* EOF */ case -2: /* Out of space. */ case -1: /* Reparse needed */ return(x); case 0: /* SP or NL */ case 1: if (xc == 0) *xp = xdef; /* If no input, return default. */ else *xp = atmbuf; if (**xp == NUL) return(-3); /* If field empty, return -3. */ if (**xp == '{') { /* Strip enclosing braces first */ char *s = *xp; int n; n = strlen(s); if (s[n-1] == '}') { s[n-1] = NUL; s++; *xp = s; } } #ifndef OS2 if (f) { /* If a conversion function is given */ zq = atxbuf; /* ... */ atxn = CMDBL; if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); *xp = atxbuf; cc = (int)strlen(atxbuf); } if (cc == 0) { xc = 0; continue; } #ifdef DTILDE dirp = tilde_expand(*xp); /* Expand tilde, if any, */ if (*dirp == '~') { /* Still starts with tilde? */ char *tp; /* Yes, convert to lowercase */ tp = *xp; /* and try again. */ while (*tp) { if (isupper(*tp)) *tp = (char) tolower(*tp); tp++; } } dirp = tilde_expand(*xp); /* Expand tilde, if any, */ #ifdef COMMENT if (*dirp != '\0') { /* in the atom buffer. */ if (setatm(dirp,0) < 0) { printf("Expanded name too long\n"); return(-9); } } #else /* This allows for directory names that contain spaces. */ if (*dirp != '\0') strcpy(atmbuf,dirp); *xp = atmbuf; #endif /* COMMENT */ #endif /* DTILDE */ #else /* OS2 */ if (isdir(*xp)) { /* OS/2 version has this function */ return(x); } else { if (f) { /* If a conversion function is given */ zq = atxbuf; /* ... */ atxn = CMDBL; if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); *xp = atxbuf; cc = (int)strlen(atxbuf); } } if (cc == 0) { xc = 0; continue; } #endif /* OS2 */ if (iswild(*xp)) return(2); else return(x); case 2: /* ESC */ bleep(BP_WARN); break; case 3: /* Question mark */ if (*xhlp == NUL) printf(" Directory name"); else printf(" %s",xhlp); printf("\n%s%s",cmprom,cmdbuf); fflush(stdout); break; } #ifdef BS_DIRSEP cmdirflg = 1; x = gtword(); cmdirflg = 0; #else x = gtword(); #endif /* BS_DIRSEP */ } } /* C M F L D -- Parse an arbitrary field */ /* Returns -3 if no input present when required, -2 if field too big for buffer, -1 if reparse needed, 0 otherwise, xp pointing to string result. */ int cmfld(xhlp,xdef,xp,f) char *xhlp, *xdef, **xp; xx_strp f; { int x, xc; char *zq; inword = 0; /* Initialize counts & pointers */ cc = 0; xc = 0; *xp = ""; if ((x = cmflgs) != 1) { /* Already confirmed? */ x = gtword(); /* No, get a word */ } else { if (setatm(xdef,0) < 0) { /* If so, use default, if any. */ printf("?Default too long\n"); return(-9); } } *xp = atmbuf; /* Point to result. */ while (1) { xc += cc; /* Count the characters. */ debug(F111,"cmfld: gtword",atmbuf,xc); debug(F101,"cmfld x","",x); switch (x) { case -9: printf("Command or field too long\n"); case -4: /* EOF */ case -2: /* Out of space. */ case -1: /* Reparse needed */ return(x); case 0: /* SP or NL */ case 1: if (xc == 0) { /* If no input, return default. */ if (setatm(xdef,0) < 0) { printf("?Default too long\n"); return(-9); } } *xp = atmbuf; if (f) { /* If a conversion function is given */ zq = atxbuf; /* employ it now. */ atxn = CMDBL; if ((*f)(*xp,&zq,&atxn) < 0) return(-2); if (setatm(atxbuf,0) < 0) { printf("Value too long\n"); return(-9); } *xp = atmbuf; } if (**xp == NUL) { /* If variable evaluates to null */ if (setatm(xdef,0) < 0) { printf("?Default too long\n"); return(-9); } if (**xp == NUL) x = -3; /* If still empty, return -3. */ } #ifdef COMMENT /* The following is apparently not necessary. */ /* Remove it if nothing is broken, esp. TAKE file with trailing comments */ xx = *xp; debug(F111,"cmfld before trim",*xp,x); for (i = (int)strlen(xx) - 1; i > 0; i--) if (xx[i] != SP) /* Trim trailing blanks */ break; else xx[i] = NUL; #endif /* COMMENT */ debug(F111,"cmfld returns",*xp,x); return(x); case 2: /* ESC */ if (xc == 0 && *xdef != NUL) { printf("%s ",xdef); /* If at beginning of field, */ #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ addbuf(xdef); /* supply default. */ inword = cmflgs = 0; if (setatm(xdef,0) < 0) { printf("?Default too long\n"); return(-9); } else /* Return as if whole field */ return(0); /* typed, followed by space. */ } else { bleep(BP_WARN); } break; case 3: /* Question mark */ if (*xhlp == NUL) printf(" Please complete this field"); else printf(" %s",xhlp); printf("\n%s%s",cmprom,cmdbuf); fflush(stdout); break; } x = gtword(); /* *xp = atmbuf; */ } } /* C M T X T -- Get a text string, including confirmation */ /* Print help message 'xhlp' if ? typed, supply default 'xdef' if null string typed. Returns -1 if reparse needed or buffer overflows. 1 otherwise. with cmflgs set to return code, and xp pointing to result string. */ int cmtxt(xhlp,xdef,xp,f) char *xhlp; char *xdef; char **xp; xx_strp f; { int x, i; char *xx, *zq; static int xc; debug(F101,"cmtxt, cmflgs","",cmflgs); inword = 0; /* Start atmbuf counter off at 0 */ cc = 0; if (cmflgs == -1) { /* If reparsing, */ xc = (int)strlen(*xp); /* get back the total text length, */ bp = *xp; /* and back up the pointers. */ np = *xp; pp = *xp; } else { /* otherwise, */ debug(F100,"cmtxt: fresh start","",0); *xp = ""; /* start fresh. */ xc = 0; } *atmbuf = NUL; /* And empty the atom buffer. */ if ((x = cmflgs) != 1) { x = gtword(); /* Get first word. */ *xp = pp; /* Save pointer to it. */ debug(F111,"cmtxt:",*xp,cc); } debug(F101,"cmtxt (*f)","", f); while (1) { /* Loop for each word in text. */ xc += cc; /* Char count for all words. */ debug(F111,"cmtxt: gtword",atmbuf,xc); debug(F101," x","",x); switch (x) { case -9: /* Buffer overflow */ printf("Command or field too long\n"); case -4: /* EOF */ #ifdef MAC case -3: /* Quit/Timeout */ #endif /* MAC */ case -2: /* Overflow */ case -1: /* Deletion */ return(x); case 0: /* Space */ xc++; /* Just count it */ break; case 1: /* CR or LF */ if (xc == 0) *xp = xdef; if (f) { /* If a conversion function is given */ zq = atxbuf; /* Point to the expansion buffer */ atxn = CMDBL; /* specify its length */ debug(F110,"cmtxt calling (*f)",*xp,0); if ((x = (*f)(*xp,&zq,&atxn)) < 0) return(-2); cc = (int)strlen(atxbuf); *xp = atxbuf; /* and return pointer to it. */ debug(F111,"cmtxt (*f) returns",*xp,cc); } xx = *xp; for (i = (int)strlen(xx) - 1; i > 0; i--) if (xx[i] != SP) /* Trim trailing blanks */ break; else xx[i] = NUL; return(x); case 2: /* ESC */ if (xc == 0) { /* Nothing typed yet */ if (*xdef) { /* Have a default for this field? */ printf("%s ",xdef); /* Yes, supply it */ inword = cmflgs = 0; #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ cc = addbuf(xdef); } else bleep(BP_WARN); /* No default */ } else { /* Already in field */ int x; char *p; x = strlen(atmbuf); if (xxstrcmp(atmbuf,xdef,x)) /* Matches default? */ bleep(BP_WARN); /* No */ else { /* Yes */ p = xdef + x; printf("%s ", p); #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ addbuf(p); inword = cmflgs = 0; debug(F110,"cmtxt: addbuf",cmdbuf,0); } } break; case 3: /* Question Mark */ if (*xhlp == NUL) printf(" Text string"); else printf(" %s",xhlp); printf("\n%s%s",cmprom,cmdbuf); fflush(stdout); break; default: printf("?Unexpected return code from gtword() - %d\n",x); return(-2); } x = gtword(); } } /* C M K E Y -- Parse a keyword */ /* Call with: table -- keyword table, in 'struct keytab' format; n -- number of entries in table; xhlp -- pointer to help string; xdef -- pointer to default keyword; Returns: -3 -- no input supplied and no default available -2 -- input doesn't uniquely match a keyword in the table -1 -- user deleted too much, command reparse required n >= 0 -- value associated with keyword */ int cmkey(table,n,xhlp,xdef,f) /* cmkey */ struct keytab table[]; int n; char *xhlp, *xdef; xx_strp f; { return(cmkey2(table,n,xhlp,xdef,"",f,1)); } int cmkeyx(table,n,xhlp,xdef,f) /* cmkey */ struct keytab table[]; int n; char *xhlp, *xdef; xx_strp f; { return(cmkey2(table,n,xhlp,xdef,"",f,0)); } int cmkey2(table,n,xhlp,xdef,tok,f,pmsg) struct keytab table[]; int n; char *xhlp, *xdef; char *tok; xx_strp f; int pmsg; { /* cmkey2 */ int i, tl, y, z, zz, xc; char *xp, *zq; tl = (int)strlen(tok); inword = xc = cc = 0; /* Clear character counters. */ debug(F101,"cmkey: cmflgs","",cmflgs); debug(F101,"cmkey: cmdbuf","",cmdbuf); if ((zz = cmflgs) == 1) { /* Command already entered? */ if (setatm(xdef,0) < 0) { /* Yes, copy default into atom buf */ printf("?Default too long\n"); return(-9); } } else zz = gtword(); /* Otherwise get a command word */ debug(F101,"cmkey: table length","",n); debug(F101," cmflgs","",cmflgs); debug(F101," zz","",zz); while (1) { xc += cc; debug(F111,"cmkey: gtword",atmbuf,xc); switch(zz) { case -9: printf("Command or field too long\n"); case -4: /* EOF */ case -3: /* Null Command/Quit/Timeout */ case -2: /* Buffer overflow */ case -1: /* Or user did some deleting. */ return(cmflgs = zz); case 0: /* User terminated word with space */ case 1: /* or newline */ if (cc == 0) { /* Supply default if we got nothing */ if (setatm(xdef,0) < 0) { printf("?Default too long\n"); return(-9); } } if (f) { /* If a conversion function is given */ zq = atxbuf; /* apply it */ atxn = CMDBL; if ((*f)(atmbuf,&zq,&atxn) < 0) return(-2); debug(F110,"cmkey atxbuf after *f",atxbuf,0); if (setatm(atxbuf,0) < 0) { printf("Evaluated keyword too long\n"); return(-9); } } y = lookup(table,atmbuf,n,&z); /* Look up the word in the table */ switch (y) { case -2: /* Ambiguous */ if (pmsg) { bleep(BP_FAIL); printf("?Ambiguous - %s\n",atmbuf); } cmflgs = -2; return(-9); case -1: /* Not found at all */ if (tl) { for (i = 0; i < tl; i++) /* Check for token */ if (tok[i] == *atmbuf) { /* Got one */ ungword(); /* Put back the following word */ return(-5); /* Special return code for token */ } } /* Kludge alert... only print error if */ /* we were called as cmkey2, but not cmkey... */ /* This doesn't seem to always work. */ if (tl == 0) { #ifdef OS2 if (isalpha(*atmbuf) && *(atmbuf+1) == ':') return(-7); #endif /* OS2 */ if (pmsg) { bleep(BP_FAIL); printf("?No keywords match - %s\n",atmbuf); /* cmkey */ } return(cmflgs = -9); } else { if (cmflgs == 1) /* cmkey2 */ return(cmflgs = -6); else return(cmflgs = -2); /* The -6 code is to let caller try another table */ } default: break; } return(y); case 2: /* User terminated word with ESC */ if (cc == 0) { if (*xdef != NUL) { /* Nothing in atmbuf */ printf("%s ",xdef); /* Supply default if any */ #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ addbuf(xdef); if (setatm(xdef,0) < 0) { printf("?Default too long\n"); return(-9); } inword = cmflgs = 0; debug(F111,"cmkey: default",atmbuf,cc); } else { if (pmsg) bleep(BP_WARN); break; } } if (f) { /* If a conversion function is given */ zq = atxbuf; /* apply it */ atxn = CMDBL; if ((*f)(atmbuf,&zq,&atxn) < 0) return(-2); if (setatm(atxbuf,0) < 0) { printf("Evaluated keyword too long\n"); return(-9); } } y = lookup(table,atmbuf,n,&z); /* Something in atmbuf */ debug(F111,"cmkey: esc",atmbuf,y); if (y == -2 || y == -3) { /* Ambiguous */ bleep(BP_WARN); break; } if (y == -1) { /* Not found */ if (pmsg) { bleep(BP_FAIL); printf("?No keywords match - %s\n",atmbuf); } cmflgs = -2; return(-9); } /* See if the keyword just found has the CM_ABR bit set in its flgs field, and if so, search forwards in the table for a keyword that has the same kwval but does not have CM_ABR (or CM_INV?) set, and then expand using the full keyword. WARNING: This assumes that (a) keywords are in alphabetical order, and (b) the CM_ABR bit is set only if the the abbreviated keyword is a true abbreviation (left substring) of the full keyword. */ if (test(table[z].flgs,CM_ABR)) { int zz; for (zz = z+1; zz < n; zz++) if ((table[zz].kwval == table[z].kwval) && (!test(table[zz].flgs,CM_ABR))) { z = zz; break; } } xp = table[z].kwd + cc; printf("%s ",xp); #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ addbuf(xp); inword = cmflgs = 0; debug(F110,"cmkey: addbuf",cmdbuf,0); return(y); case 3: /* User typed "?" */ if (f) { /* If a conversion function is given */ zq = atxbuf; /* do the conversion now. */ atxn = CMDBL; if ((*f)(atmbuf,&zq,&atxn) < 0) return(-2); if (setatm(atxbuf,0) < 0) { printf("?Evaluated keyword too long\n"); return(-9); } } y = lookup(table,atmbuf,n,&z); /* Look up what we have so far. */ if (y == -1) { if (pmsg) { bleep( BP_FAIL ) ; printf(" No keywords match\n"); } cmflgs = -2; return(-9); } if (*xhlp == NUL) printf(" One of the following:\n"); else printf(" %s, one of the following:\n",xhlp); #ifdef OLDHELP if ((y > -1) && !test(table[z].flgs,CM_ABR) && ((z >= n-1) || xxstrcmp(table[z].kwd,table[z+1].kwd,cc)) ) { printf(" %s\n",table[z].kwd); } else { clrhlp(); for (i = 0; i < n; i++) { if (!xxstrcmp(table[i].kwd,atmbuf,cc) && !test(table[i].flgs,CM_INV) ) addhlp(table[i].kwd); } dmphlp(); } #else /* New way ... */ kwdhelp(table,n,atmbuf,"","",1); #endif /* OLDHELP */ if (*atmbuf == NUL) { if (tl == 1) printf("or the token %c\n",*tok); else if (tl > 1) printf("or one of the tokens: %s\n",tok); } printf("%s%s", cmprom, cmdbuf); fflush(stdout); break; default: printf("\n%d - Unexpected return code from gtword\n",zz); return(cmflgs = -2); } zz = gtword(); } } int chktok(tlist) char *tlist; { char *p; p = tlist; while (*p != NUL && *p != *atmbuf) p++; return((*p) ? (int) *p : 0); } /* C M C F M -- Parse command confirmation (end of line) */ /* Returns -2: User typed anything but whitespace or newline -1: Reparse needed 0: Confirmation was received */ int cmcfm() { int x, xc; debug(F101,"cmcfm: cmflgs","",cmflgs); debug(F110,"cmcfm: atmbuf",atmbuf,0); inword = xc = cc = 0; if (cmflgs == 1) return(0); setatm("",0); /* (Probably unnecessary) */ while (1) { x = gtword(); xc += cc; switch (x) { case -9: printf("Command or field too long\n"); case -4: /* EOF */ case -2: case -1: return(x); case 1: /* End of line */ if (xc > 0) { printf("?Not confirmed - %s\n",atmbuf); return(-9); } else return(0); case 2: /* ESC */ if (xc == 0) { bleep(BP_WARN); continue; /* or fall thru. */ } case 0: /* Space */ if (xc == 0) /* If no chars typed, continue, */ continue; /* else fall thru. */ case 3: /* Question mark */ if (xc > 0) { printf("?Not confirmed - %s\n",atmbuf); return(-9); } printf("\n Type a carriage return to confirm the command\n"); printf("%s%s",cmprom,cmdbuf); fflush(stdout); continue; } } } #ifdef OLDHELP /* Keyword help routines */ /* C L R H L P -- Initialize/Clear the help line buffer */ static VOID clrhlp() { /* Clear the help buffer */ hlpbuf[0] = NUL; hh = hx = 0; } /* A D D H L P -- Add a string to the help line buffer */ static VOID addhlp(s) char *s; { /* Add a word to the help buffer */ int j; hh++; /* Count this column */ for (j = 0; (j < hc) && (*s != NUL); j++) { /* Fill the column */ hlpbuf[hx++] = *s++; } if (*s != NUL) /* Still some chars left in string? */ hlpbuf[hx-1] = '+'; /* Mark as too long for column. */ if (hh < (hw / hc)) { /* Pad col with spaces if necessary */ for (; j < hc; j++) { hlpbuf[hx++] = SP; } } else { /* If last column, */ hlpbuf[hx++] = NUL; /* no spaces. */ dmphlp(); /* Print it. */ return; } } /* D M P H L P -- Dump the help line buffer */ static VOID dmphlp() { /* Print the help buffer */ hlpbuf[hx++] = NUL; if ( hlpbuf[0] ) printf(" %s\n",hlpbuf); clrhlp(); } #endif /* OLDHELP */ /* G T W O R D -- Gets a "word" from the command input stream */ /* Usage: retcode = gtword(); Returns: -9 if input was too long -4 if end of file (e.g. pipe broken) -3 if null command -2 if command buffer overflows -1 if user did some deleting 0 if word terminates with SP or tab 1 if ... CR 2 if ... ESC 3 if ... ? (question mark) With: pp pointing to beginning of word in buffer bp pointing to after current position atmbuf containing a copy of the word cc containing the number of characters in the word copied to atmbuf */ int ungword() { /* Unget a word */ if (ungw) return(0); cmfsav = cmflgs; debug(F101,"ungword cmflgs","",cmflgs); ungw = 1; cmflgs = 0; return(0); } static int gtword() { int c; /* Current char */ int quote = 0; /* Flag for quote character */ int echof = 0; /* Flag for whether to echo */ int chsrc = 0; /* Source of character, 1 = tty */ int comment = 0; /* Flag for in comment */ char *cp = NULL; /* Comment pointer */ int eintr = 0; int bracelvl = 0; /* nested brace counter [jrs] */ #ifdef RTU extern int rtu_bug; #endif /* RTU */ #ifdef datageneral extern int termtype; /* DG terminal type flag */ extern int con_reads_mt; /* Console read asynch is active */ if (con_reads_mt) connoi_mt(); /* Task would interfere w/cons read */ #endif /* datageneral */ if (ungw) { /* Have a word saved? */ debug(F110,"gtword ungetting from pp",pp,0); while (*pp++ == SP) ; if (setatm(pp,0) < 0) { printf("?Saved word too long\n"); return(-9); } strncpy(atmbuf,pp,ATMBL); ungw = 0; cmflgs = cmfsav; debug(F111,"gtword returning atmbuf",atmbuf,cmflgs); return(cmflgs); } pp = np; /* Start of current field */ debug(F111,"gtword: cmdbuf",cmdbuf,cmdbuf); debug(F111," bp",bp,bp); debug(F111," pp",pp,pp); while (bp < cmdbuf+CMDBL) { /* Big get-a-character loop */ echof = 0; /* Assume we don't echo because */ chsrc = 0; /* character came from reparse buf. */ #ifdef BS_DIRSEP CMDIRPARSE: #endif /* BS_DIRSEP */ if ((c = *bp) == NUL) { /* If no char waiting in reparse buf */ if (dpx) echof = 1; /* must get from tty, set echo flag. */ c = cmdgetc(); /* Read a character from the tty. */ chsrc = 1; /* Remember character source is tty. */ #ifdef OS2 if ( c < 0 ) { if ( c == -3 ) { if (blocklvl > 0) continue; else return(-3); /* Empty command */ } else { return -4; /* Something went wrong */ } } #else #ifdef MAC if (c == -3) /* If null command... */ if (blocklvl > 0) continue; else return(-3); #endif /* MAC */ #endif /* OS2 */ if (c == EOF) { /* This can happen if stdin not tty. */ #ifdef EINTR /* Some operating and/or C runtime systems return EINTR for no good reason, when the end of the standard input "file" is encountered. In cases like this, we get into an infinite loop; hence the eintr counter, which is reset to 0 upon each call to this routine. */ debug(F101,"gtword EOF","",errno); if (errno == EINTR && ++eintr < 4) /* When bg'd process is */ continue; /* fg'd again. */ #endif /* EINTR */ return(-4); } c &= cmdmsk; /* Strip any parity bit */ } /* if desired. */ /* Now we have the next character */ if (quote && (c == CR || c == NL)) { /* Enter following quote */ *bp++ = CMDQ; /* Double it */ *bp = NUL; quote = 0; } if (quote == 0) { /* If this is not a quoted character */ if (c == CMDQ) { /* Got the quote character itself */ if (!comment && quoting) quote = 1; /* Flag it if not in a comment */ } if (c == FF) { /* Formfeed. */ c = NL; /* Replace with newline */ #ifdef OS2 cmdclrscn(); /* Clear the screen */ #endif /* OS2 */ } if (c == HT) { /* Tab */ if (comment) /* If in comment, */ c = SP; /* substitute space */ else /* otherwise */ c = ESC; /* substitute ESC (for completion) */ } if (c == ';' || c == '#') { /* Trailing comment */ if (inword == 0 && quoting) { /* If not in a word */ comment = 1; /* start a comment. */ cp = bp; /* remember where it starts. */ } } if (!comment && c == SP) { /* Space */ *bp++ = (char) c; /* deposit in buffer if not already */ #ifdef BEBOX if (echof) { putchar(c); /* echo it. */ fflush (stdout); fflush(stderr); } #else if (echof) putchar(c); /* echo it. */ #endif /* BEBOX */ if (inword == 0) { /* If leading, gobble it. */ pp++; continue; } else { /* If terminating, return. */ #ifdef COMMENT np = bp; setatm(pp,0); inword = cmflgs = 0; return(0); #else /* This allows { ... } grouping */ if ((*pp != '{') || (bracelvl == 0)) { np = bp; if (setatm(pp,0) < 0) { printf("?Field too long error 1\n"); debug(F111,"gtword too long #1",pp,strlen(pp)); return(-9); } inword = cmflgs = 0; return(0); } continue; #endif /* COMMENT */ } } if (c == '{') bracelvl++; if (c == '}') { bracelvl--; if (linebegin) blocklvl--; } if (c == NL || c == CR) { /* CR or LF. */ #ifdef BEBOX if (echof) { cmdnewl((char)c); /* echo it. */ fflush (stdout); fflush(stderr); } #else if (echof) cmdnewl((char)c); /* echo it. */ #endif /* BEBOX */ while (bp > pp && (*(bp-1) == SP || *(bp-1) == HT)) /* Trim */ bp--; /* trailing */ *bp = NUL; /* whitespace. */ if (linebegin && blocklvl > 0) /* Blank line in {...} block */ continue; linebegin = 1; /* At beginning of next line */ if ((bp > pp) && (*(bp-1) == '-' || *(bp-1) == '{')) { /* Line continued? */ if (chsrc) { /* If reading from tty, */ if (*(bp-1) == '{') { /* Check for "begin block" */ *bp++ = SP; /* Insert a space for neatness */ blocklvl++; /* Count block nesting level */ } else { /* Or hyphen */ bp--; /* Overwrite the hyphen */ } *bp = NUL; /* erase the dash, */ continue; /* and go back for next char now. */ } } else if (blocklvl > 0) { /* No continuation character */ if (chsrc) { /* But we're in a "block" */ *bp++ = ','; /* Add comma */ *bp = NUL; continue; } } else { /* No continuation, end of command. */ *bp = NUL; /* Terminate the command string. */ if (comment) { /* If we're in a comment, */ comment = 0; /* Say we're not any more, */ *cp = NUL; /* cut it off. */ } np = bp; /* Where to start next field. */ if (setatm(pp,0) < 0) { /* Copy field to atom buffer */ debug(F111,"gtword too long #2",pp,strlen(pp)); printf("?Field too long error 2\n"); return(-9); } inword = 0; /* Not in a word any more. */ #ifdef CK_RECALL if (chsrc && /* Reading commands from keyboard? */ (on_recall) && /* Recall is turned on? */ (cm_recall > 0) && /* Saving commands? */ (int)strlen(cmdbuf)) { /* Non-null command? */ if (rlast >= cm_recall - 1) { /* Yes, buffer full? */ int i; /* Yes. */ if (recall[0]) { /* Discard oldest command */ free(recall[0]); recall[0] = NULL; } for (i = 0; i < rlast; i++) { /* The rest */ recall[i] = recall[i+1]; /* move back */ } rlast--; /* Now we have one less */ } rlast++; /* Index of last command in buffer */ current = rlast; /* Also now the current command */ if (current >= cm_recall) { printf("Oops, command recall error\n"); } else { recall[current] = malloc((int)strlen(cmdbuf)+1); if (recall[current]) strcpy(recall[current],cmdbuf); } } #endif /* CK_RECALL */ return(cmflgs = 1); } } /* Question mark */ if (!comment && quoting && echof && (c == '?')) { putchar(c); *bp = NUL; if (setatm(pp,0) < 0) { debug(F111,"gtword too long #3",pp,strlen(pp)); printf("?Too long #3\n"); return(-9); } return(cmflgs = 3); } if (c == ESC) { /* ESC */ if (!comment) { *bp = NUL; if (setatm(pp,0) < 0) { debug(F111,"gtword too long #4",pp,strlen(pp)); printf("?Too long #4\n"); return(-9); } return(cmflgs = 2); } else { bleep(BP_WARN); continue; } } if (c == BS || c == RUB) { /* Character deletion */ if (bp > cmdbuf) { /* If still in buffer... */ cmdchardel(); /* erase it. */ bp--; /* point behind it, */ #ifdef COMMENT if (*bp == SP) inword = 0; /* Flag if current field gone */ #else /* fixed by Ulli Schlueter */ if (*bp == '{') bracelvl--; /* Adjust brace count */ if (*bp == '}') bracelvl++; if ((*bp == SP) && /* Flag if current field gone */ (*pp != '{' || bracelvl == 0)) inword = 0; #endif /* COMMENT */ *bp = NUL; /* Erase character from buffer. */ } else { /* Otherwise, */ bleep(BP_WARN); cmres(); /* and start parsing a new command. */ *bp = *atmbuf = NUL; } if (pp < bp) continue; else return(cmflgs = -1); } if (c == LDEL) { /* ^U, line deletion */ while ((bp--) > cmdbuf) { cmdchardel(); *bp = NUL; } cmres(); /* Restart the command. */ *bp = *atmbuf = NUL; inword = 0; return(cmflgs = -1); } if (c == WDEL) { /* ^W, word deletion */ if (bp <= cmdbuf) { /* Beep if nothing to delete */ bleep(BP_WARN); cmres(); *bp = *atmbuf = NUL; return(cmflgs = -1); } bp--; for ( ; (bp >= cmdbuf) && (*bp == SP) ; bp--) { cmdchardel(); *bp = NUL; } for ( ; (bp >= cmdbuf) && (*bp != SP) ; bp--) { cmdchardel(); *bp = NUL; } bp++; inword = 0; return(cmflgs = -1); } if (c == RDIS) { /* ^R, redisplay */ #ifdef COMMENT *bp = NUL; printf("\n%s%s",cmprom,cmdbuf); #else char *cpx; char cx; *bp = NUL; printf("\n%s",cmprom); cpx = cmdbuf; while (cx = *cpx++) { #ifdef isprint putchar(isprint(cx) ? cx : '^'); #else putchar((cx >= SP && cx < DEL) ? cx : '^'); #endif /* isprint */ } #endif /* COMMENT */ fflush(stdout); continue; } #ifdef CK_RECALL if (chsrc && /* Reading commands from keyboard? */ (cm_recall > 0) && /* Saving commands? */ (c == C_UP || c == C_UP2)) { /* Go up one */ if (current < 0) { /* Nowhere to go, */ bleep(BP_WARN); continue; } if (recall[current]) { if (!strcmp(recall[current],cmdbuf)) { if (current > 0) { current--; } else { bleep(BP_WARN); continue; } } } if (recall[current]) { /* We have a previous command */ while ((bp--) > cmdbuf) { /* Erase current line */ cmdchardel(); *bp = NUL; } strcpy(cmdbuf,recall[current]); #ifdef OSK fflush(stdout); write(fileno(stdout), "\r", 1); printf("%s%s",cmprom,cmdbuf); #else printf("\r%s%s",cmprom,cmdbuf); #endif /* OSK */ current--; } return(cmflgs = -1); /* Force a reparse */ } if (chsrc && /* Reading commands from keyboard? */ (cm_recall > 0) && /* Saving commands? */ (c == C_DN)) { /* Down one */ if (current + 1 > rlast) { /* Already at bottom, just beep */ bleep(BP_WARN); continue; } current++; /* OK to go down */ #ifdef COMMENT if (recall[current]) /* It's the same as this one? */ if (!strcmp(recall[current],cmdbuf)) current++; #else /* Fix by Ulli Schlueter */ if (recall[current]) { if (!strcmp(recall[current],cmdbuf)) { if (current + 1 > rlast) { /* At bottom, beep */ bleep(BP_WARN); continue; } else current++; } } #endif /* COMMENT */ if (recall[current]) { while ((bp--) > cmdbuf) { /* Erase current line */ cmdchardel(); *bp = NUL; } strcpy(cmdbuf,recall[current]); #ifdef OSK fflush(stdout); write(fileno(stdout), "\r", 1); printf("%s%s",cmprom,cmdbuf); #else printf("\r%s%s",cmprom,cmdbuf); #endif /* OSK */ return(cmflgs = -1); /* Force reparse */ } } #endif /* CK_RECALL */ if (c < SP && quote == 0) { /* Any other unquoted control char */ if (!chsrc) /* If cmd file, point past it */ bp++; else bleep(BP_WARN); continue; /* continue, don't put in buffer */ } linebegin = 0; /* Not at beginning of line */ #ifdef BEBOX if (echof) { cmdecho((char) c, 0); /* Echo what was typed. */ fflush (stdout); fflush(stderr); } #else if (echof) cmdecho((char) c, 0); /* Echo what was typed. */ #endif /* BEBOX */ } else { /* This character was quoted. */ int qf = 1; quote = 0; /* Unset the quote flag. */ /* Quote character at this level is only for SP, ?, and controls */ /* If anything else was quoted, leave quote in, and let */ /* the command-specific parsing routines handle it, e.g. \007 */ if (c > 32 && c != '?' && c != RUB && chsrc != 0) { *bp++ = CMDQ; /* Deposit \ if it came from tty */ qf = 0; /* and don't erase it from screen */ linebegin = 0; /* Not at beginning of line */ #ifdef BS_DIRSEP /* This is a hack to handle "cd \" or "cd foo\" on OS/2 and similar systems. If we were called from cmdir() and the previous character was the quote character, i.e. backslash, and this character is the command terminator, then we stuff an extra backslash into the buffer without echoing, then we stuff the carriage return back in again, and go back and process it, this time with the quote flag off. */ } else if (cmdirflg && (c == CR || c == LF || c == SP)) { *bp++ = CMDQ; linebegin = 0; /* Not at beginning of line */ *bp = (c == SP ? SP : CR); goto CMDIRPARSE ; #endif /* BS_DIRSEP */ } #ifdef BEBOX if (echof) { cmdecho((char) c, qf); /* Echo what was typed. */ fflush (stdout); fflush(stderr); } #else if (echof) cmdecho((char) c, qf); /* Now echo quoted character */ #endif /* BEBOX */ debug(F111,"gtword quote",cmdbuf,c); } #ifdef COMMENT if (echof) cmdecho((char) c,quote); /* Echo what was typed. */ #endif /* COMMENT */ if (!comment) inword = 1; /* Flag we're in a word. */ if (quote) continue; /* Don't deposit quote character. */ if (c != NL) *bp++ = (char) c; /* Deposit command character. */ } /* End of big while */ bleep(BP_WARN); printf("?Command too long, maximum length: %d.\n",CMDBL); cmflgs = -2; return(-9); } /* Utility functions */ /* A D D B U F -- Add the string pointed to by cp to the command buffer */ static int addbuf(cp) char *cp; { int len = 0; while ((*cp != NUL) && (bp < cmdbuf+CMDBL)) { *bp++ = *cp++; /* Copy and */ len++; /* count the characters. */ } *bp++ = SP; /* Put a space at the end */ *bp = NUL; /* Terminate with a null */ np = bp; /* Update the next-field pointer */ return(len); /* Return the length */ } /* S E T A T M -- Deposit a token in the atom buffer. */ /* Break on space, newline, carriage return, or NUL. Except flag != 0 means to allow imbedded spaces in selected fields. Null-terminate the result. If the source pointer is the atom buffer itself, do nothing. Return length of token, and also set global "cc" to this length. Return -1 if token was too long. */ static int setatm(cp,flag) char *cp; int flag; { char *ap, *xp; int bracelvl, n; cc = 0; /* Character counter */ ap = atmbuf; /* Address of atom buffer */ if ((int) strlen(cp) > ATMBL) return(-1); if (cp == ap) { /* In case source is atom buffer */ xp = atybuf; /* make a copy */ strcpy(xp,ap); /* so we can copy it back, edited. */ cp = xp; } *ap = NUL; /* Zero the atom buffer */ if (flag) { /* Trim trailing blanks */ n = strlen(cp); while (--n >= 0) if (cp[n] != SP) break; cp[n+1] = NUL; } while (*cp == SP) cp++; /* Trim leading spaces */ #ifdef COMMENT /* This one doesn't work for items like "input 20 {\13\10$ }" */ bracelvl = (*cp == '{'); /* jrs */ while ( /* (*cp != SP) && */ (*cp != NL) && (*cp != NUL) && (*cp != CR)) { if ((*cp == SP) && (flag == 0) && (bracelvl == 0)) break; /* jrs */ *ap++ = *cp++; /* Copy up to SP, NL, CR, or end */ if (*cp == '{') bracelvl++; /* jrs */ if (*cp == '}') bracelvl--; /* jrs */ cc++; /* and count */ } #else bracelvl = 0; while (*cp) { if (*cp == '{') bracelvl++; if (*cp == '}') bracelvl--; if (bracelvl < 0) bracelvl = 0; if (bracelvl == 0) { if ((*cp == SP || *cp == HT) && (flag == 0)) break; if (*cp == LF || *cp == CR) break; } *ap++ = *cp++; cc++; } #endif /* COMMENT */ *ap = NUL; /* Terminate the string. */ return(cc); /* Return length. */ } /* R D I G I T S -- Verify that all the characters in line ARE DIGITS */ int rdigits(s) char *s; { while (*s) { if (!isdigit(*s)) return(0); s++; } return(1); } /* These functions attempt to hide system dependencies from the mainline */ /* code in gtword(). Ultimately they should be moved to ck?tio.c, where */ /* ? = each and every system supported by C-Kermit. */ static int cmdgetc() { /* Get a character from the tty. */ int c; #ifdef datageneral { char ch; c = dgncinb(0,&ch,1); /* -1 is EOF, -2 TO, * -c is AOS/VS error */ if (c == -2) { /* timeout was enabled? */ resto(channel(0)); /* reset timeouts */ c = dgncinb(0,&ch,1); /* retry this now! */ } if (c < 0) return(-4); /* EOF or some error */ else c = (int) ch & 0177; /* Get char without parity */ /* echof = 1; */ } #else /* Not datageneral */ #ifdef OS2 c = is_a_tty(0) ? coninc(0) : getchar(); if (c < 0) return(c); /* was (-4); */ #else /* Not OS2 */ c = getchar(); /* or from tty. */ #ifdef RTU if (rtu_bug) { c = getchar(); /* RTU doesn't discard the ^Z */ rtu_bug = 0; } #endif /* RTU */ #endif /* OS2 */ #endif /* datageneral */ return(c); /* Return what we got */ } /* No more screen clearing. If you wanna clear the screen, define a macro to do it, like "define cls write screen \27[;H\27[2J". */ static VOID cmdclrscn() { /* Clear the screen */ #ifdef OS2 clear(); #else /* OS2 */ #ifdef COMMENT #ifdef aegis putchar(FF); #else #ifdef AMIGA putchar(FF); #else #ifdef OSK putchar(FF); #else #ifdef datageneral putchar(FF); #endif /* datageneral */ #endif /* OSK */ #endif /* AMIGA */ #endif /* aegis */ #endif /* COMMENT */ #endif /* OS2 */ } static VOID /* What to echo at end of command */ #ifdef CK_ANSIC cmdnewl(char c) #else cmdnewl(c) char c; #endif /* CK_ANSIC */ /* cmdnewl */ { putchar(c); /* c is the terminating character */ #ifdef WINTCP /* what is this doing here? */ if (c == CR) putchar(NL); #endif /* WINTCP */ /* A.A. Chernov, who sent in changes for FreeBSD, said we also needed this for SVORPOSIX because "setup terminal by termios and curses does not convert \r to \n, so additional \n needed in newline function. But it is also very likely to result in unwanted blank lines. */ #ifdef OS2 if (c == CR) putchar(NL); #endif /* OS2 */ #ifdef aegis if (c == CR) putchar(NL); #endif /* aegis */ #ifdef AMIGA if (c == CR) putchar(NL); #endif /* AMIGA */ #ifdef datageneral if (c == CR) putchar(NL); #endif /* datageneral */ #ifdef GEMDOS if (c == CR) putchar(NL); #endif /* GEMDOS */ #ifdef STRATUS if (c == CR) putchar(NL); #endif /* STRATUS */ } static VOID cmdchardel() { /* Erase a character from the screen */ if (!dpx) return; #ifdef datageneral /* DG '\b' is EM (^y or \031) */ if (termtype == 1) /* Erase a character from non-DG screen, */ dgncoub(1,"\010 \010",3); else #endif printf("\b \b"); #ifdef GEMDOS fflush(stdout); #endif /* GEMDOS */ #ifdef BEBOX fflush(stdout); #endif /* BEBOX */ } static VOID #ifdef CK_ANSIC cmdecho(char c, int quote) #else cmdecho(c,quote) char c; int quote; #endif /* CK_ANSIC */ { /* cmdecho */ if (!dpx) return; /* Echo tty input character c */ if (quote) { putchar(BS); putchar(SP); putchar(BS); #ifdef isprint putchar( isprint(c) ? c : '^' ); #else putchar((c >= SP && c < DEL) ? c : '^'); #endif /* isprint */ } else putchar(c); #ifdef OS2 if (quote==1 && c==CR) putchar(NL); #endif /* OS2 */ } #endif /* NOICP */ #ifdef NOICP #include "ckcdeb.h" #include "ckucmd.h" #include "ckcasc.h" /*** #include (ckcdeb.h already includes this) ***/ #endif /* NOICP */ /* X X E S C -- Interprets backslash codes */ /* Returns the int value of the backslash code if it is > -1 and < 256 */ /* and updates the string pointer to first character after backslash code. */ /* If the argument is invalid, leaves pointer unchanged and returns -1. */ int xxesc(s) char **s; { /* Expand backslash escapes */ int x, y, brace, radix; /* Returns the int value */ char hd = '9'; /* Highest digit in radix */ char *p; p = *s; /* pointer to beginning */ if (!p) return(-1); /* watch out for null pointer */ x = *p++; /* character at beginning */ if (x != CMDQ) return(-1); /* make sure it's a backslash code */ x = *p; /* it is, get the next character */ if (x == '{') { /* bracketed quantity? */ p++; /* begin past bracket */ x = *p; brace = 1; } else brace = 0; switch (x) { /* Start interpreting */ case 'd': /* Decimal radix indicator */ case 'D': p++; /* Just point past it and fall thru */ case '0': /* Starts with digit */ case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': radix = 10; /* Decimal */ hd = '9'; /* highest valid digit */ break; case 'o': /* Starts with o or O */ case 'O': radix = 8; /* Octal */ hd = '7'; /* highest valid digit */ p++; /* point past radix indicator */ break; case 'x': /* Starts with x or X */ case 'X': radix = 16; /* Hexadecimal */ p++; /* point past radix indicator */ break; default: /* All others */ #ifdef COMMENT *s = p+1; /* Treat as quote of next char */ return(*p); #else return(-1); #endif /* COMMENT */ } /* For OS/2, there are "wide" characters required for the keyboard * binding, i.e \644 and similar codes larger than 255 (byte). * For this purpose, give up checking for < 256. If someone means * \266 should result in \26 followed by a "6" character, he should * always write \{26}6 anyway. Now, return only the lower byte of * the result, i.e. 10, but eat up the whole \266 sequence and * put the wide result 266 into a global variable. Yes, that's not * the most beautiful programming style but requires the least * amount of changes to other routines. */ if (radix <= 10) { /* Number in radix 8 or 10 */ for ( x = y = 0; (*p) && (*p >= '0') && (*p <= hd) #ifdef OS2 && (y < 5) && (x*radix < KMSIZE); /* the maximum needed value \8196 is 4 digits long */ /* while as octal it requires \1377, i.e. 5 digits */ #else && (y < 3) && (x*radix < 256); #endif /* OS2 */ p++,y++) { x = x * radix + (int) *p - 48; } #ifdef OS2 wideresult = x; /* Remember wide result */ x &= 255; #endif /* OS2 */ if (y == 0 || x > 255) { /* No valid digits? */ *s = p; /* point after it */ return(-1); /* return failure. */ } } else if (radix == 16) { /* Special case for hex */ if ((x = unhex(*p++)) < 0) { *s = p - 1; return(-1); } if ((y = unhex(*p++)) < 0) { *s = p - 2; return(-1); } x = ((x << 4) & 0xF0) | (y & 0x0F); #ifdef OS2 wideresult = x; if ((y = unhex(*p)) >= 0) { p++; wideresult = ((x << 4) & 0xFF0) | (y & 0x0F); x = wideresult & 255; } #endif /* OS2 */ } else x = -1; if (brace && *p == '}' && x > -1) /* Point past closing brace, if any */ p++; *s = p; /* Point to next char after sequence */ return(x); /* Return value of sequence */ } int /* Convert hex string to int */ #ifdef CK_ANSIC unhex(char x) #else unhex(x) char x; #endif /* CK_ANSIC */ /* unhex */ { if (x >= '0' && x <= '9') /* 0-9 is offset by hex 30 */ return(x - 0x30); else if (x >= 'A' && x <= 'F') /* A-F offset by hex 37 */ return(x - 0x37); else if (x >= 'a' && x <= 'f') /* a-f offset by hex 57 */ return(x - 0x57); /* (obviously ASCII dependent) */ else return(-1); } /* See if argument string is numeric */ /* Returns 1 if OK, zero if not OK */ /* If OK, string should be acceptable to atoi() */ /* Allows leading space, sign */ int chknum(s) char *s; { /* Check Numeric String */ int x = 0; /* Flag for past leading space */ int y = 0; /* Flag for digit seen */ char c; debug(F110,"chknum",s,0); while (c = *s++) { /* For each character in the string */ switch (c) { case SP: /* Allow leading spaces */ case HT: if (x == 0) continue; else return(0); case '+': /* Allow leading sign */ case '-': if (x == 0) x = 1; else return(0); break; default: /* After that, only decimal digits */ if (c >= '0' && c <= '9') { x = y = 1; continue; } else return(0); } } return(y); } /* L O W E R -- Lowercase a string */ int lower(s) char *s; { int n = 0; while (*s) { if (isupper(*s)) *s = (char) tolower(*s); s++, n++; } return(n); } /* L O O K U P -- Lookup the string in the given array of strings */ /* Call this way: v = lookup(table,word,n,&x); table - a 'struct keytab' table. word - the target string to look up in the table. n - the number of elements in the table. x - address of an integer for returning the table array index, or NULL if you don't need a table index. The keyword table must be arranged in ascending alphabetical order. Alphabetic case doesn't matter. Returns the keyword's associated value (zero or greater) if found, with the variable x set to the keyword-table index, or: -3 if nothing to look up (target was null), -2 if ambiguous, -1 if not found. A match is successful if the target matches a keyword exactly, or if the target is a prefix of exactly one keyword. It is ambiguous if the target matches two or more keywords from the table. */ int lookup(table,cmd,n,x) char *cmd; struct keytab table[]; int n, *x; { int i, v, len, cmdlen; /* Get length of search object, if it's null return code -3. */ if (!cmd) return(-3); if (((cmdlen = (int) strlen(cmd)) == 0) || (n < 1)) return(-3); /* Not null, look it up */ for (i = 0; i < n-1; i++) { len = strlen(table[i].kwd); if ((len == cmdlen && !xxstrcmp(table[i].kwd,cmd,len)) || ((v = !xxstrcmp(table[i].kwd,cmd,cmdlen)) && xxstrcmp(table[i+1].kwd,cmd,cmdlen))) { if (x) *x = i; return(table[i].kwval); } if (v) return(-2); } /* Last (or only) element */ if (!xxstrcmp(table[n-1].kwd,cmd,cmdlen)) { if (x) *x = n-1; return(table[n-1].kwval); } else return(-1); } /* Like lookup, but requires a full (but case-independent) match */ int xlookup(table,cmd,n,x) struct keytab table[]; char *cmd; int n, *x; { int i, cmdlen; if (!cmd) return(-3); if (((cmdlen = (int) strlen(cmd)) == 0) || (n < 1)) return(-3); for (i = 0; i < n; i++) { if (((int)strlen(table[i].kwd) == cmdlen) && (!xxstrcmp(table[i].kwd,cmd,cmdlen))) { if (x) *x = i; return(table[i].kwval); } } return(-1); } #ifndef NOICP int cmdsquo(x) int x; { quoting = x; return(1); } int cmdgquo() { return(quoting); } #endif /* NOICP */