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1.1 ! noro 1: /* Copyright (c) 1987, 1988 by Software Research Associates, Inc. */
! 2:
! 3: #ifndef lint
! 4: static char rcsid[]=
! 5: "$Header: fep_util.c,v 4.1 88/08/28 18:57:41 utashiro Exp $ (SRA)";
! 6: #endif /* lint */
! 7:
! 8: #ifndef MKARGDEBUG
! 9:
! 10: #include <stdio.h>
! 11: #include <pwd.h>
! 12: #include <sys/types.h>
! 13: #if defined(__CYGWIN__)
! 14: #include <dirent.h>
! 15: #else
! 16: #include <sys/dir.h>
! 17: #endif
! 18: #include <ctype.h>
! 19: #include "fep_defs.h"
! 20:
! 21: message(messageString)
! 22: char *messageString;
! 23: {
! 24: write (2, messageString, strlen (messageString));
! 25: }
! 26:
! 27: errorBell()
! 28: {
! 29: write (2, "\007", 1);
! 30: }
! 31:
! 32: ctlprint(string)
! 33: char *string;
! 34: {
! 35: register char *cp;
! 36:
! 37: for (cp = string; *cp; cp++) {
! 38: if (isctlchar (*cp)) {
! 39: putchar ('^');
! 40: putchar (unctl (*cp));
! 41: }
! 42: else
! 43: putchar (*cp);
! 44: }
! 45: fputs ("\r\n", stdout);
! 46: fflush (stdout);
! 47: }
! 48:
! 49: /*
! 50: * Print string using "^" for control characters
! 51: */
! 52: printS (string)
! 53: char *string;
! 54: {
! 55: char *cp;
! 56:
! 57: for (cp = string; *cp; cp++)
! 58: putChar (*cp);
! 59: }
! 60:
! 61: /*
! 62: * Check the line is empty or not
! 63: */
! 64: is_empty_line(line)
! 65: char *line;
! 66: {
! 67: register char *cp;
! 68:
! 69: for (cp = line; *cp; cp++) {
! 70: if (!isspace(*cp)) {
! 71: return(0);
! 72: }
! 73: }
! 74: return(1);
! 75: }
! 76:
! 77: /*
! 78: * Put character using "^" for control characters
! 79: */
! 80: putChar(c)
! 81: char c;
! 82: {
! 83: if (isctlchar(c)) {
! 84: (void) putchar('^');
! 85: (void) putchar(unctl(c));
! 86: }
! 87: else
! 88: (void) putchar(c);
! 89: }
! 90:
! 91: char *
! 92: x_dirname (dir)
! 93: char *dir;
! 94: {
! 95: static char dirname [256];
! 96: char *index();
! 97:
! 98: if (*dir != '~')
! 99: strcpy (dirname, dir);
! 100: else {
! 101: struct passwd *pw;
! 102:
! 103: if (*(dir+1) == '/' || *(dir+1) == '\0') {
! 104: pw = getpwuid (getuid ());
! 105: }
! 106: else {
! 107: char user [64], *sp, *dp;
! 108:
! 109: for (sp = dir+1, dp = user; *sp && *sp != '/'; sp++, dp++)
! 110: *dp = *sp;
! 111: *dp = '\0';
! 112: pw = getpwnam (user);
! 113: }
! 114:
! 115: if (pw) {
! 116: strcpy (dirname, pw->pw_dir);
! 117: if (any ('/', dir))
! 118: strcat (dirname, index (dir, '/'));
! 119: }
! 120: else {
! 121: strcpy (dirname, dir);
! 122: }
! 123: }
! 124:
! 125: return (dirname);
! 126: }
! 127:
! 128: DIR *
! 129: x_opendir (dir)
! 130: char *dir;
! 131: {
! 132: return (opendir (x_dirname (dir)));
! 133: }
! 134:
! 135: /*
! 136: * Strring compare for qsort
! 137: */
! 138: scmp (a, b)
! 139: char **a, **b;
! 140: {
! 141:
! 142: return (strcmp (*a, *b));
! 143: }
! 144:
! 145: /*
! 146: * Return 1 if "str" is prefixed by "sub"
! 147: */
! 148: prefix (sub, str)
! 149: register char *sub, *str;
! 150: {
! 151:
! 152: for (;;) {
! 153: if (*sub == 0)
! 154: return (1);
! 155: if (*str == 0)
! 156: return (0);
! 157: if (*sub++ != *str++)
! 158: return (0);
! 159: }
! 160: }
! 161:
! 162: /*
! 163: * Return 1 if s includes character c
! 164: */
! 165: any (c, s)
! 166: register int c;
! 167: register char *s;
! 168: {
! 169:
! 170: while (*s)
! 171: if (*s++ == c)
! 172: return(1);
! 173: return(0);
! 174: }
! 175:
! 176: #ifndef max
! 177: /*
! 178: * Return maximum number of d1 and d2
! 179: */
! 180: max (d1, d2)
! 181: int d1, d2;
! 182: {
! 183: return (d1 > d2 ? d1 : d2);
! 184: }
! 185: #endif /* max */
! 186:
! 187: #else /* MKARGDEBUG */
! 188:
! 189: #include <stdio.h>
! 190: #include <ctype.h>
! 191:
! 192: #define MAXARGS 64
! 193:
! 194: main()
! 195: {
! 196: char s[128];
! 197: char *argv[MAXARGS];
! 198:
! 199: while (gets (s)) {
! 200: register int c;
! 201:
! 202: showArgs (s);
! 203: }
! 204: }
! 205: #endif /* MKARGDEBUG */
! 206:
! 207: showArgs (comline)
! 208: char *comline;
! 209: {
! 210: char *argv[MAXARGS];
! 211: register int c;
! 212: register char **argp;
! 213: register int i;
! 214:
! 215: c = mkargv (comline, argv, MAXARGS);
! 216: if (c < 0) {
! 217: printf ("%s\n", argv[0]);
! 218: return;
! 219: }
! 220: printf ("argc = %d\n", c);
! 221: for (i = 0, argp = argv; *argp; argp++, i++) {
! 222: printf ("\"%s\" ", *argp);
! 223: }
! 224: printf ("\n");
! 225: }
! 226:
! 227: mkargv (s, argv, maxarg)
! 228: char *s;
! 229: char *argv[];
! 230: int maxarg;
! 231: {
! 232: register char *cp;
! 233: register int argc = 0;
! 234: int insquot = 0, indquot = 0, ignorenext = 0;
! 235: enum {STRING, SPACE} status = SPACE;
! 236: static char buf[1024], *bp;
! 237:
! 238: for (cp = s, bp = buf; *cp; cp++) {
! 239:
! 240: if (argc > maxarg)
! 241: return (argc);
! 242:
! 243: /*
! 244: * Found white space
! 245: */
! 246: if (isspace (*cp)) {
! 247: /*
! 248: * In outside of quotation
! 249: */
! 250: if (!ignorenext && !insquot && !indquot) {
! 251: /*
! 252: * If status was in string, go next arg
! 253: */
! 254: if (status == STRING) {
! 255: status = SPACE;
! 256: *bp++ = '\0';
! 257: continue;
! 258: }
! 259: else
! 260: continue;
! 261: }
! 262: }
! 263:
! 264: # define SPECIALCHARS "\"\'\\"
! 265: if (!ignorenext && index (SPECIALCHARS, *cp)) {
! 266: switch (*cp) {
! 267:
! 268: /*
! 269: * Literal next character
! 270: */
! 271: case '\\':
! 272: if (indquot || insquot)
! 273: goto THROUGH;
! 274: else {
! 275: ignorenext = 1;
! 276: continue;
! 277: }
! 278:
! 279: /*
! 280: * Double quotation
! 281: */
! 282: case '\"':
! 283: if (insquot)
! 284: goto THROUGH;
! 285: if (indquot && *(bp-1) == '\\') {
! 286: bp--;
! 287: goto THROUGH;
! 288: }
! 289: indquot = !indquot;
! 290: break;
! 291:
! 292: /*
! 293: * Single quotation
! 294: */
! 295: case '\'':
! 296: if (indquot)
! 297: goto THROUGH;
! 298: if (insquot && *(bp-1) == '\\') {
! 299: bp--;
! 300: goto THROUGH;
! 301: }
! 302: insquot = !insquot;
! 303: break;
! 304: }
! 305:
! 306: /*
! 307: * Only in " or ' case.
! 308: */
! 309: if (status == SPACE) {
! 310: status = STRING;
! 311: argc++;
! 312: argv[argc-1] = bp;
! 313: *bp = 0;
! 314: }
! 315: continue;
! 316: }
! 317:
! 318: THROUGH:
! 319: /*
! 320: * Found non-space character
! 321: */
! 322: ignorenext = 0;
! 323: if (status == SPACE) {
! 324: status = STRING;
! 325: argc++;
! 326: argv[argc-1] = bp;
! 327: }
! 328: *bp++ = *cp;
! 329: }
! 330:
! 331: if (indquot || insquot) {
! 332: argv[0] = indquot ? "Unmatched \"." : "Unmatched \'.";
! 333: return (-1);
! 334: }
! 335:
! 336: *bp = '\0';
! 337: argv[argc] = (char *)0;
! 338: return (argc);
! 339: }
! 340:
! 341: reverse_strcpy (to, from)
! 342: register char *to, *from;
! 343: {
! 344: register int len;
! 345:
! 346: for (len = strlen (from); len >= 0; len--)
! 347: *(to + len) = *(from + len);
! 348: }
! 349:
! 350: char *search_string (s, lookup)
! 351: char *s, *lookup;
! 352: {
! 353: int len = strlen (lookup);
! 354: enum {SQUOTE, DQUOTE, NORMAL} status = NORMAL;
! 355:
! 356: while (*s) {
! 357: switch (*s) {
! 358: case '\'':
! 359: if (status == DQUOTE) break;
! 360: status = (status == SQUOTE) ? NORMAL : SQUOTE;
! 361: break;
! 362:
! 363: case '\"':
! 364: if (status == SQUOTE) break;
! 365: status = (status == DQUOTE) ? NORMAL : DQUOTE;
! 366: break;
! 367:
! 368: case '\\':
! 369: ++s;
! 370: break;
! 371: }
! 372: if (!*s) break;
! 373: if (status == NORMAL && strncmp (s, lookup, len) == 0)
! 374: return s;
! 375: ++s;
! 376: }
! 377: return ((char*) 0);
! 378: }
! 379:
! 380: #ifdef KANJI
! 381: /*
! 382: * Uuuuuuuum. I hate search kanji in Shift-JIS code from the end of string
! 383: * This function check if i'th character is first byte of KANJI code
! 384: * in string starting from s.
! 385: * It is assumed that first byte of strint s can't be second byte of KANJI
! 386: * code.
! 387: */
! 388: iskanji_in_string (s, i)
! 389: char *s;
! 390: int i;
! 391: {
! 392: register char *cp = s, *target = s + i;
! 393:
! 394: if (i < 0)
! 395: return (0);
! 396:
! 397: while (cp < target) {
! 398: if (iskanji (*cp))
! 399: cp += 2;
! 400: else
! 401: cp++;
! 402: }
! 403:
! 404: if (cp != target)
! 405: return (0);
! 406: else
! 407: return (iskanji (*cp));
! 408: }
! 409: #endif /* KANJI */