Annotation of src/usr.bin/rcs/co.c, Revision 1.113
1.113 ! ray 1: /* $OpenBSD: co.c,v 1.112 2010/07/28 09:07:11 ray Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2005 Joris Vink <joris@openbsd.org>
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. The name of the author may not be used to endorse or promote products
13: * derived from this software without specific prior written permission.
14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
1.105 xsa 27: #include <sys/stat.h>
28:
29: #include <err.h>
30: #include <fcntl.h>
31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
34: #include <unistd.h>
1.1 joris 35:
36: #include "rcsprog.h"
1.100 millert 37: #include "diff.h"
1.1 joris 38:
1.70 xsa 39: #define CO_OPTSTRING "d:f::I::k:l::M::p::q::r::s:Tu::Vw::x::z::"
1.38 xsa 40:
1.43 xsa 41: static void checkout_err_nobranch(RCSFILE *, const char *, const char *,
42: const char *, int);
1.100 millert 43: static int checkout_file_has_diffs(RCSFILE *, RCSNUM *, const char *);
1.4 joris 44:
1.1 joris 45: int
46: checkout_main(int argc, char **argv)
47: {
1.106 xsa 48: int fd, i, ch, flags, kflag, ret;
1.78 pat 49: RCSNUM *rev;
1.1 joris 50: RCSFILE *file;
1.94 ray 51: const char *author, *date, *state;
1.45 joris 52: char fpath[MAXPATHLEN];
1.94 ray 53: char *rev_str, *username;
1.37 xsa 54: time_t rcs_mtime = -1;
1.1 joris 55:
1.106 xsa 56: flags = ret = 0;
1.33 xsa 57: kflag = RCS_KWEXP_ERR;
1.1 joris 58: rev = RCS_HEAD_REV;
1.73 ray 59: rev_str = NULL;
1.94 ray 60: author = date = state = NULL;
1.4 joris 61:
1.38 xsa 62: while ((ch = rcs_getopt(argc, argv, CO_OPTSTRING)) != -1) {
1.1 joris 63: switch (ch) {
1.49 joris 64: case 'd':
1.94 ray 65: date = rcs_optarg;
1.49 joris 66: break;
1.18 joris 67: case 'f':
1.73 ray 68: rcs_setrevstr(&rev_str, rcs_optarg);
1.24 niallo 69: flags |= FORCE;
1.18 joris 70: break;
1.65 niallo 71: case 'I':
1.73 ray 72: rcs_setrevstr(&rev_str, rcs_optarg);
1.65 niallo 73: flags |= INTERACTIVE;
74: break;
75:
1.33 xsa 76: case 'k':
77: kflag = rcs_kflag_get(rcs_optarg);
78: if (RCS_KWEXP_INVAL(kflag)) {
1.83 xsa 79: warnx("invalid RCS keyword substitution mode");
1.33 xsa 80: (usage)();
81: exit(1);
82: }
83: break;
1.4 joris 84: case 'l':
1.53 xsa 85: if (flags & CO_UNLOCK) {
1.81 xsa 86: warnx("warning: -u overridden by -l");
1.53 xsa 87: flags &= ~CO_UNLOCK;
88: }
1.73 ray 89: rcs_setrevstr(&rev_str, rcs_optarg);
1.24 niallo 90: flags |= CO_LOCK;
1.26 niallo 91: break;
92: case 'M':
1.73 ray 93: rcs_setrevstr(&rev_str, rcs_optarg);
1.26 niallo 94: flags |= CO_REVDATE;
1.4 joris 95: break;
1.20 joris 96: case 'p':
1.73 ray 97: rcs_setrevstr(&rev_str, rcs_optarg);
1.80 xsa 98: flags |= PIPEOUT;
1.20 joris 99: break;
1.3 joris 100: case 'q':
1.73 ray 101: rcs_setrevstr(&rev_str, rcs_optarg);
1.79 xsa 102: flags |= QUIET;
1.3 joris 103: break;
1.1 joris 104: case 'r':
1.73 ray 105: rcs_setrevstr(&rev_str, rcs_optarg);
1.4 joris 106: break;
1.24 niallo 107: case 's':
1.94 ray 108: state = rcs_optarg;
1.24 niallo 109: flags |= CO_STATE;
1.34 xsa 110: break;
111: case 'T':
112: flags |= PRESERVETIME;
1.24 niallo 113: break;
1.4 joris 114: case 'u':
1.73 ray 115: rcs_setrevstr(&rev_str, rcs_optarg);
1.53 xsa 116: if (flags & CO_LOCK) {
1.81 xsa 117: warnx("warning: -l overridden by -u");
1.53 xsa 118: flags &= ~CO_LOCK;
119: }
1.24 niallo 120: flags |= CO_UNLOCK;
1.1 joris 121: break;
1.7 joris 122: case 'V':
123: printf("%s\n", rcs_version);
124: exit(0);
1.38 xsa 125: case 'w':
1.44 joris 126: /* if no argument, assume current user */
127: if (rcs_optarg == NULL) {
1.48 xsa 128: if ((author = getlogin()) == NULL)
1.84 xsa 129: err(1, "getlogin");
1.94 ray 130: } else
131: author = rcs_optarg;
1.43 xsa 132: flags |= CO_AUTHOR;
1.38 xsa 133: break;
1.30 xsa 134: case 'x':
1.66 ray 135: /* Use blank extension if none given. */
136: rcs_suffixes = rcs_optarg ? rcs_optarg : "";
1.59 joris 137: break;
138: case 'z':
139: timezone_flag = rcs_optarg;
1.30 xsa 140: break;
1.1 joris 141: default:
142: (usage)();
143: exit(1);
144: }
145: }
146:
1.13 joris 147: argc -= rcs_optind;
148: argv += rcs_optind;
1.1 joris 149:
150: if (argc == 0) {
1.81 xsa 151: warnx("no input file");
1.1 joris 152: (usage)();
153: exit (1);
154: }
1.11 deraadt 155:
1.81 xsa 156: if ((username = getlogin()) == NULL)
1.84 xsa 157: err(1, "getlogin");
1.38 xsa 158:
1.104 otto 159: /* If -x flag was not given, use default. */
160: if (rcs_suffixes == NULL)
161: rcs_suffixes = RCS_DEFAULT_SUFFIX;
162:
1.1 joris 163: for (i = 0; i < argc; i++) {
1.92 ray 164: fd = rcs_choosefile(argv[i], fpath, sizeof(fpath));
165: if (fd < 0) {
1.98 niallo 166: warn("%s", fpath);
1.106 xsa 167: ret = 1;
1.1 joris 168: continue;
1.92 ray 169: }
1.104 otto 170: rcs_strip_suffix(argv[i]);
1.1 joris 171:
1.79 xsa 172: if (!(flags & QUIET))
1.90 xsa 173: (void)fprintf(stderr, "%s --> %s\n", fpath,
1.80 xsa 174: (flags & PIPEOUT) ? "standard output" : argv[i]);
1.35 xsa 175:
176: if ((flags & CO_LOCK) && (kflag & RCS_KWEXP_VAL)) {
1.81 xsa 177: warnx("%s: cannot combine -kv and -l", fpath);
1.86 joris 178: (void)close(fd);
1.35 xsa 179: continue;
180: }
1.21 niallo 181:
1.86 joris 182: if ((file = rcs_open(fpath, fd,
183: RCS_RDWR|RCS_PARSE_FULLY)) == NULL)
1.1 joris 184: continue;
185:
1.37 xsa 186: if (flags & PRESERVETIME)
1.86 joris 187: rcs_mtime = rcs_get_mtime(file);
1.37 xsa 188:
1.72 xsa 189: rcs_kwexp_set(file, kflag);
1.37 xsa 190:
1.75 ray 191: if (rev_str != NULL) {
192: if ((rev = rcs_getrevnum(rev_str, file)) == NULL)
1.84 xsa 193: errx(1, "invalid revision: %s", rev_str);
1.75 ray 194: } else {
1.76 joris 195: /* no revisions in RCS file, generate empty 0.0 */
196: if (file->rf_ndelta == 0) {
197: rev = rcsnum_parse("0.0");
198: if (rev == NULL)
1.84 xsa 199: errx(1, "failed to generate rev 0.0");
1.76 joris 200: } else {
201: rev = rcsnum_alloc();
202: rcsnum_cpy(file->rf_head, rev, 0);
203: }
1.73 ray 204: }
1.17 joris 205:
1.106 xsa 206: if (checkout_rev(file, rev, argv[i], flags,
207: username, author, state, date) < 0) {
1.73 ray 208: rcs_close(file);
209: rcsnum_free(rev);
1.106 xsa 210: ret = 1;
1.73 ray 211: continue;
1.8 niallo 212: }
1.58 xsa 213:
1.79 xsa 214: if (!(flags & QUIET))
1.90 xsa 215: (void)fprintf(stderr, "done\n");
1.17 joris 216:
1.73 ray 217: rcsnum_free(rev);
1.37 xsa 218:
1.86 joris 219: rcs_write(file);
1.37 xsa 220: if (flags & PRESERVETIME)
1.86 joris 221: rcs_set_mtime(file, rcs_mtime);
222: rcs_close(file);
1.1 joris 223: }
224:
1.106 xsa 225: return (ret);
1.1 joris 226: }
227:
228: void
229: checkout_usage(void)
230: {
1.11 deraadt 231: fprintf(stderr,
1.42 xsa 232: "usage: co [-TV] [-ddate] [-f[rev]] [-I[rev]] [-kmode] [-l[rev]]\n"
233: " [-M[rev]] [-p[rev]] [-q[rev]] [-r[rev]] [-sstate]\n"
234: " [-u[rev]] [-w[user]] [-xsuffixes] [-ztz] file ...\n");
1.1 joris 235: }
1.14 niallo 236:
237: /*
238: * Checkout revision <rev> from RCSFILE <file>, writing it to the path <dst>
1.88 ray 239: * Currently recognised <flags> are CO_LOCK, CO_UNLOCK and CO_REVDATE.
1.14 niallo 240: *
1.49 joris 241: * Looks up revision based upon <lockname>, <author>, <state> and <date>
1.44 joris 242: *
1.14 niallo 243: * Returns 0 on success, -1 on failure.
244: */
245: int
1.24 niallo 246: checkout_rev(RCSFILE *file, RCSNUM *frev, const char *dst, int flags,
1.49 joris 247: const char *lockname, const char *author, const char *state,
248: const char *date)
1.14 niallo 249: {
1.44 joris 250: BUF *bp;
1.69 joris 251: u_int i;
1.86 joris 252: int fd, lcount;
1.108 xsa 253: char buf[RCS_REV_BUFSZ];
1.99 millert 254: mode_t mode = DEFFILEMODE;
1.18 joris 255: struct stat st;
1.44 joris 256: struct rcs_delta *rdp;
257: struct rcs_lock *lkp;
1.97 ray 258: char *fdate;
1.100 millert 259: const char *fstatus;
1.49 joris 260: time_t rcsdate, givendate;
1.69 joris 261: RCSNUM *rev;
1.49 joris 262:
263: rcsdate = givendate = -1;
1.113 ! ray 264: if (date != NULL && (givendate = date_parse(date)) == -1) {
! 265: warnx("invalid date: %s", date);
! 266: return -1;
! 267: }
1.14 niallo 268:
1.90 xsa 269: if (file->rf_ndelta == 0 && !(flags & QUIET))
270: (void)fprintf(stderr,
271: "no revisions present; generating empty revision 0.0\n");
1.76 joris 272:
1.69 joris 273: /* XXX rcsnum_cmp()
274: * Check out the latest revision if <frev> is greater than HEAD
275: */
1.76 joris 276: if (file->rf_ndelta != 0) {
277: for (i = 0; i < file->rf_head->rn_len; i++) {
278: if (file->rf_head->rn_id[i] < frev->rn_id[i]) {
279: frev = file->rf_head;
280: break;
281: }
1.69 joris 282: }
283: }
1.15 niallo 284:
1.44 joris 285: lcount = 0;
286: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
287: if (!strcmp(lkp->rl_name, lockname))
288: lcount++;
289: }
290:
291: /*
292: * If the user didn't specify any revision, we cycle through
293: * revisions to lookup the first one that matches what he specified.
294: *
295: * If we cannot find one, we return an error.
296: */
297: rdp = NULL;
1.77 deraadt 298: if (file->rf_ndelta != 0 && frev == file->rf_head) {
1.44 joris 299: if (lcount > 1) {
1.81 xsa 300: warnx("multiple revisions locked by %s; "
1.44 joris 301: "please specify one", lockname);
302: return (-1);
303: }
304:
305: TAILQ_FOREACH(rdp, &file->rf_delta, rd_list) {
1.49 joris 306: if (date != NULL) {
307: fdate = asctime(&rdp->rd_date);
1.113 ! ray 308: if ((rcsdate = date_parse(fdate)) == -1) {
! 309: warnx("invalid date: %s", fdate);
! 310: return -1;
! 311: }
1.49 joris 312: if (givendate <= rcsdate)
313: continue;
314: }
315:
1.77 deraadt 316: if (author != NULL &&
317: strcmp(rdp->rd_author, author))
1.44 joris 318: continue;
1.49 joris 319:
1.77 deraadt 320: if (state != NULL &&
321: strcmp(rdp->rd_state, state))
1.44 joris 322: continue;
323:
324: frev = rdp->rd_num;
325: break;
326: }
1.76 joris 327: } else if (file->rf_ndelta != 0) {
1.44 joris 328: rdp = rcs_findrev(file, frev);
329: }
330:
1.77 deraadt 331: if (file->rf_ndelta != 0 && rdp == NULL) {
1.49 joris 332: checkout_err_nobranch(file, author, date, state, flags);
1.44 joris 333: return (-1);
334: }
335:
1.76 joris 336: if (file->rf_ndelta == 0)
337: rev = frev;
338: else
339: rev = rdp->rd_num;
340:
1.69 joris 341: rcsnum_tostr(rev, buf, sizeof(buf));
1.15 niallo 342:
1.77 deraadt 343: if (file->rf_ndelta != 0 && rdp->rd_locker != NULL) {
1.44 joris 344: if (strcmp(lockname, rdp->rd_locker)) {
1.97 ray 345: warnx("Revision %s is already locked by %s; %s",
346: buf, rdp->rd_locker,
347: (flags & CO_UNLOCK) ? "use co -r or rcs -u" : "");
1.44 joris 348: return (-1);
349: }
350: }
351:
1.79 xsa 352: if (!(flags & QUIET) && !(flags & NEWFILE) &&
1.77 deraadt 353: !(flags & CO_REVERT) && file->rf_ndelta != 0)
1.91 xsa 354: (void)fprintf(stderr, "revision %s", buf);
1.74 deraadt 355:
1.76 joris 356: if (file->rf_ndelta != 0) {
357: if ((bp = rcs_getrev(file, rev)) == NULL) {
1.81 xsa 358: warnx("cannot find revision `%s'", buf);
1.76 joris 359: return (-1);
360: }
361: } else {
1.112 ray 362: bp = buf_alloc(1);
1.14 niallo 363: }
1.69 joris 364:
1.55 niallo 365: /*
366: * Do keyword expansion if required.
367: */
1.76 joris 368: if (file->rf_ndelta != 0)
369: bp = rcs_kwexp_buf(bp, file, rev);
1.67 niallo 370: /*
371: * File inherits permissions from its ,v file
372: */
1.93 ray 373: if (file->rf_fd != -1) {
374: if (fstat(file->rf_fd, &st) == -1)
1.86 joris 375: err(1, "%s", file->rf_path);
1.102 xsa 376: file->rf_mode = mode = st.st_mode;
1.103 niallo 377: } else {
378: mode = file->rf_mode;
1.86 joris 379: }
1.67 niallo 380:
1.24 niallo 381: if (flags & CO_LOCK) {
1.76 joris 382: if (file->rf_ndelta != 0) {
1.77 deraadt 383: if (lockname != NULL &&
384: rcs_lock_add(file, lockname, rev) < 0) {
1.76 joris 385: if (rcs_errno != RCS_ERR_DUPENT)
386: return (-1);
387: }
1.14 niallo 388: }
1.18 joris 389:
1.99 millert 390: /* File should only be writable by owner. */
391: mode &= ~(S_IWGRP|S_IWOTH);
1.67 niallo 392: mode |= S_IWUSR;
1.76 joris 393:
394: if (file->rf_ndelta != 0) {
1.79 xsa 395: if (!(flags & QUIET) && !(flags & NEWFILE) &&
1.77 deraadt 396: !(flags & CO_REVERT))
1.91 xsa 397: (void)fprintf(stderr, " (locked)");
1.76 joris 398: }
1.24 niallo 399: } else if (flags & CO_UNLOCK) {
1.76 joris 400: if (file->rf_ndelta != 0) {
401: if (rcs_lock_remove(file, lockname, rev) < 0) {
402: if (rcs_errno != RCS_ERR_NOENT)
403: return (-1);
404: }
1.46 joris 405: }
1.18 joris 406:
1.67 niallo 407: /* Strip all write bits from mode */
1.99 millert 408: mode &= ~(S_IWUSR|S_IWGRP|S_IWOTH);
1.76 joris 409:
410: if (file->rf_ndelta != 0) {
1.79 xsa 411: if (!(flags & QUIET) && !(flags & NEWFILE) &&
1.77 deraadt 412: !(flags & CO_REVERT))
1.91 xsa 413: (void)fprintf(stderr, " (unlocked)");
1.76 joris 414: }
1.18 joris 415: }
1.107 xsa 416:
417: /* If strict locking is disabled, make file writable by owner. */
418: if (rcs_lock_getmode(file) == RCS_LOCK_LOOSE)
419: mode |= S_IWUSR;
1.56 xsa 420:
1.90 xsa 421: if (file->rf_ndelta == 0 && !(flags & QUIET) &&
1.76 joris 422: ((flags & CO_LOCK) || (flags & CO_UNLOCK))) {
1.91 xsa 423: (void)fprintf(stderr, "no revisions, so nothing can be %s\n",
1.76 joris 424: (flags & CO_LOCK) ? "locked" : "unlocked");
425: } else if (file->rf_ndelta != 0) {
1.88 ray 426: /* XXX - Not a good way to detect if a newline is needed. */
427: if (!(flags & QUIET) && !(flags & NEWFILE) &&
428: !(flags & CO_REVERT))
1.90 xsa 429: (void)fprintf(stderr, "\n");
1.76 joris 430: }
1.18 joris 431:
1.44 joris 432: if (flags & CO_LOCK) {
1.71 niallo 433: if (rcs_errno != RCS_ERR_DUPENT)
434: lcount++;
1.79 xsa 435: if (!(flags & QUIET) && lcount > 1 && !(flags & CO_REVERT))
1.81 xsa 436: warnx("%s: warning: You now have %d locks.",
1.63 xsa 437: file->rf_path, lcount);
1.44 joris 438: }
439:
1.100 millert 440: if ((flags & (PIPEOUT|FORCE)) == 0 && stat(dst, &st) != -1) {
1.68 ray 441: /*
1.100 millert 442: * Prompt the user if the file is writable or the file is
443: * not writable but is different from the RCS head version.
444: * This is different from GNU which will silently overwrite
445: * the file regardless of its contents so long as it is
446: * read-only.
1.68 ray 447: */
448: if (st.st_mode & (S_IWUSR|S_IWGRP|S_IWOTH))
1.100 millert 449: fstatus = "writable";
450: else if (checkout_file_has_diffs(file, frev, dst) != D_SAME)
451: fstatus = "modified";
452: else
453: fstatus = NULL;
454: if (fstatus) {
455: (void)fprintf(stderr, "%s %s exists%s; ", fstatus, dst,
456: (getuid() == st.st_uid) ? "" :
457: ", and you do not own it");
458: (void)fprintf(stderr, "remove it? [ny](n): ");
459: if (rcs_yesno('n') == 'n') {
460: if (!(flags & QUIET) && isatty(STDIN_FILENO))
461: warnx("%s %s exists; checkout aborted",
462: fstatus, dst);
463: else
464: warnx("checkout aborted");
465: return (-1);
466: }
1.18 joris 467: }
1.14 niallo 468: }
1.17 joris 469:
1.96 ray 470: if (flags & PIPEOUT)
1.111 ray 471: buf_write_fd(bp, STDOUT_FILENO);
1.96 ray 472: else {
1.86 joris 473: (void)unlink(dst);
474:
475: if ((fd = open(dst, O_WRONLY|O_CREAT|O_TRUNC, mode)) < 0)
476: err(1, "%s", dst);
477:
1.111 ray 478: if (buf_write_fd(bp, fd) < 0) {
1.81 xsa 479: warnx("failed to write revision to file");
1.111 ray 480: buf_free(bp);
1.86 joris 481: (void)close(fd);
1.20 joris 482: return (-1);
483: }
1.86 joris 484:
485: if (fchmod(fd, mode) == -1)
486: warn("%s", dst);
487:
1.24 niallo 488: if (flags & CO_REVDATE) {
489: struct timeval tv[2];
1.36 xsa 490: memset(&tv, 0, sizeof(tv));
1.69 joris 491: tv[0].tv_sec = (long)rcs_rev_getdate(file, rev);
1.24 niallo 492: tv[1].tv_sec = tv[0].tv_sec;
1.86 joris 493: if (futimes(fd, (const struct timeval *)&tv) < 0)
1.81 xsa 494: warn("utimes");
1.24 niallo 495: }
1.86 joris 496:
497: (void)close(fd);
1.14 niallo 498: }
1.96 ray 499:
1.111 ray 500: buf_free(bp);
1.17 joris 501:
1.14 niallo 502: return (0);
1.43 xsa 503: }
504:
505: /*
506: * checkout_err_nobranch()
507: *
508: * XXX - should handle the dates too.
509: */
510: static void
511: checkout_err_nobranch(RCSFILE *file, const char *author, const char *date,
512: const char *state, int flags)
513: {
514: if (!(flags & CO_AUTHOR))
515: author = NULL;
516: if (!(flags & CO_STATE))
517: state = NULL;
518:
1.81 xsa 519: warnx("%s: No revision on branch has%s%s%s%s%s%s.",
1.43 xsa 520: file->rf_path,
521: date ? " a date before " : "",
522: date ? date : "",
523: author ? " and author " + (date ? 0:4 ) : "",
524: author ? author : "",
525: state ? " and state " + (date || author ? 0:4) : "",
526: state ? state : "");
1.100 millert 527: }
528:
529: /*
530: * checkout_file_has_diffs()
531: *
532: * Check for diffs between the working file and its current revision.
1.109 ray 533: * Same return values as diffreg()
1.100 millert 534: */
535: static int
536: checkout_file_has_diffs(RCSFILE *rfp, RCSNUM *frev, const char *dst)
537: {
538: char *tempfile;
539: BUF *bp;
540: int ret;
541:
542: tempfile = NULL;
543:
544: if ((bp = rcs_getrev(rfp, frev)) == NULL) {
545: warnx("failed to load revision");
1.101 millert 546: return (D_ERROR);
547: }
548: if ((bp = rcs_kwexp_buf(bp, rfp, frev)) == NULL) {
549: warnx("failed to expand tags");
1.100 millert 550: return (D_ERROR);
551: }
552:
553: (void)xasprintf(&tempfile, "%s/diff.XXXXXXXXXX", rcs_tmpdir);
1.111 ray 554: buf_write_stmp(bp, tempfile);
555: buf_empty(bp);
1.100 millert 556:
557: diff_format = D_RCSDIFF;
1.110 ray 558: ret = diffreg(dst, tempfile, bp, D_FORCEASCII);
1.100 millert 559:
1.111 ray 560: buf_free(bp);
1.100 millert 561: unlink(tempfile);
562: xfree(tempfile);
563:
564: return (ret);
1.24 niallo 565: }