int
rcsdiff_main(int argc, char **argv)
{
int fd, i, ch, dflags, status;
RCSNUM *rev1, *rev2;
RCSFILE *file;
char fpath[MAXPATHLEN], *rev_str1, *rev_str2;
const char *errstr;
rev1 = rev2 = NULL;
rev_str1 = rev_str2 = NULL;
status = D_SAME;
dflags = 0;
if (strlcpy(diffargs, "diff", sizeof(diffargs)) >= sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
while ((ch = rcs_getopt(argc, argv, "abC:cdI:ik:npqr:TtU:uVwx::z::")) != -1) {
switch (ch) {
case 'a':
if (strlcat(diffargs, " -a", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_FORCEASCII;
break;
case 'b':
if (strlcat(diffargs, " -b", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_FOLDBLANKS;
break;
case 'C':
(void)strlcat(diffargs, " -C", sizeof(diffargs));
if (strlcat(diffargs, rcs_optarg, sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
diff_context = strtonum(rcs_optarg, 0, INT_MAX, &errstr);
if (errstr)
errx(D_ERROR, "context is %s: %s",
errstr, rcs_optarg);
diff_format = D_CONTEXT;
break;
case 'c':
if (strlcat(diffargs, " -c", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
diff_format = D_CONTEXT;
break;
case 'd':
if (strlcat(diffargs, " -d", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_MINIMAL;
break;
case 'i':
if (strlcat(diffargs, " -i", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_IGNORECASE;
break;
case 'I':
(void)strlcat(diffargs, " -I", sizeof(diffargs));
if (strlcat(diffargs, rcs_optarg, sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
push_ignore_pats(rcs_optarg);
break;
case 'k':
kflag = rcs_kflag_get(rcs_optarg);
if (RCS_KWEXP_INVAL(kflag)) {
warnx("invalid RCS keyword substitution mode");
(usage)();
exit(D_ERROR);
}
break;
case 'n':
if (strlcat(diffargs, " -n", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
diff_format = D_RCSDIFF;
break;
case 'p':
if (strlcat(diffargs, " -p", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_PROTOTYPE;
break;
case 'q':
quiet = 1;
break;
case 'r':
rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
break;
case 'T':
/*
* kept for compatibility
*/
break;
case 't':
if (strlcat(diffargs, " -t", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_EXPANDTABS;
break;
case 'U':
(void)strlcat(diffargs, " -U", sizeof(diffargs));
if (strlcat(diffargs, rcs_optarg, sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
diff_context = strtonum(rcs_optarg, 0, INT_MAX, &errstr);
if (errstr)
errx(D_ERROR, "context is %s: %s",
errstr, rcs_optarg);
diff_format = D_UNIFIED;
break;
case 'u':
if (strlcat(diffargs, " -u", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
diff_format = D_UNIFIED;
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
case 'w':
if (strlcat(diffargs, " -w", sizeof(diffargs)) >=
sizeof(diffargs))
errx(D_ERROR, "diffargs too long");
dflags |= D_IGNOREBLANKS;
break;
case 'x':
/* Use blank extension if none given. */
rcs_suffixes = rcs_optarg ? rcs_optarg : "";
break;
case 'z':
timezone_flag = rcs_optarg;
break;
default:
(usage)();
exit(D_ERROR);
}
}
argc -= rcs_optind;
argv += rcs_optind;
if (argc == 0) {
warnx("no input file");
(usage)();
exit(D_ERROR);
}
if (diff_ignore_pats != NULL) {
char buf[BUFSIZ];
int error;
diff_ignore_re = xmalloc(sizeof(*diff_ignore_re));
if ((error = regcomp(diff_ignore_re, diff_ignore_pats,
REG_NEWLINE | REG_EXTENDED)) != 0) {
regerror(error, diff_ignore_re, buf, sizeof(buf));
if (*diff_ignore_pats != '\0')
errx(D_ERROR, "%s: %s", diff_ignore_pats, buf);
else
errx(D_ERROR, "%s", buf);
}
}
for (i = 0; i < argc; i++) {
fd = rcs_choosefile(argv[i], fpath, sizeof(fpath));
if (fd < 0) {
warn("%s", fpath);
continue;
}
if ((file = rcs_open(fpath, fd,
RCS_READ|RCS_PARSE_FULLY)) == NULL)
continue;
rcs_kwexp_set(file, kflag);
if (rev_str1 != NULL) {
if ((rev1 = rcs_getrevnum(rev_str1, file)) == NULL)
errx(D_ERROR, "bad revision number");
}
if (rev_str2 != NULL) {
if ((rev2 = rcs_getrevnum(rev_str2, file)) == NULL)
errx(D_ERROR, "bad revision number");
}
if (!quiet) {
fprintf(stderr, "%s\n", RCS_DIFF_DIV);
fprintf(stderr, "RCS file: %s\n", fpath);
}
diff_file = argv[i];
/* No revisions given. */
if (rev_str1 == NULL)
status = rcsdiff_file(file, file->rf_head, argv[i],
dflags);
/* One revision given. */
else if (rev_str2 == NULL)
status = rcsdiff_file(file, rev1, argv[i], dflags);
/* Two revisions given. */
else
status = rcsdiff_rev(file, rev1, rev2, dflags);
rcs_close(file);
if (rev1 != NULL) {
rcsnum_free(rev1);
rev1 = NULL;
}
if (rev2 != NULL) {
rcsnum_free(rev2);
rev2 = NULL;
}
}
return (status);
}
int
rcsmerge_main(int argc, char **argv)
{
int fd, ch, flags, kflag, status;
char fpath[PATH_MAX], r1[RCS_REV_BUFSZ], r2[RCS_REV_BUFSZ];
char *rev_str1, *rev_str2;
RCSFILE *file;
RCSNUM *rev1, *rev2;
BUF *bp;
flags = 0;
status = D_ERROR;
rev1 = rev2 = NULL;
rev_str1 = rev_str2 = NULL;
while ((ch = rcs_getopt(argc, argv, "AEek:p::q::r::TVx::z:")) != -1) {
switch (ch) {
case 'A':
/*
* kept for compatibility
*/
break;
case 'E':
flags |= MERGE_EFLAG;
flags |= MERGE_OFLAG;
break;
case 'e':
flags |= MERGE_EFLAG;
break;
case 'k':
kflag = rcs_kflag_get(rcs_optarg);
if (RCS_KWEXP_INVAL(kflag)) {
warnx("invalid RCS keyword substitution mode");
(usage)();
}
break;
case 'p':
rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
flags |= PIPEOUT;
break;
case 'q':
rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
flags |= QUIET;
break;
case 'r':
rcs_setrevstr2(&rev_str1, &rev_str2,
rcs_optarg ? rcs_optarg : "");
break;
case 'T':
/*
* kept for compatibility
*/
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
case 'x':
/* Use blank extension if none given. */
rcs_suffixes = rcs_optarg ? rcs_optarg : "";
break;
case 'z':
timezone_flag = rcs_optarg;
break;
default:
(usage)();
}
}
argc -= rcs_optind;
argv += rcs_optind;
if (rev_str1 == NULL) {
warnx("no base revision number given");
(usage)();
}
if (argc < 1) {
warnx("no input file");
(usage)();
}
if (argc > 2 || (argc == 2 && argv[1] != NULL))
warnx("warning: excess arguments ignored");
if ((fd = rcs_choosefile(argv[0], fpath, sizeof(fpath))) < 0)
err(status, "%s", fpath);
if (!(flags & QUIET))
(void)fprintf(stderr, "RCS file: %s\n", fpath);
if ((file = rcs_open(fpath, fd, RCS_READ)) == NULL)
return (status);
if (strcmp(rev_str1, "") == 0) {
rev1 = rcsnum_alloc();
rcsnum_cpy(file->rf_head, rev1, 0);
} else if ((rev1 = rcs_getrevnum(rev_str1, file)) == NULL)
errx(D_ERROR, "invalid revision: %s", rev_str1);
if (rev_str2 != NULL && strcmp(rev_str2, "") != 0) {
if ((rev2 = rcs_getrevnum(rev_str2, file)) == NULL)
errx(D_ERROR, "invalid revision: %s", rev_str2);
} else {
rev2 = rcsnum_alloc();
rcsnum_cpy(file->rf_head, rev2, 0);
}
if (rcsnum_cmp(rev1, rev2, 0) == 0)
goto out;
if ((bp = rcs_diff3(file, argv[0], rev1, rev2, flags)) == NULL)
errx(D_ERROR, "failed to merge");
if (!(flags & QUIET)) {
(void)rcsnum_tostr(rev1, r1, sizeof(r1));
(void)rcsnum_tostr(rev2, r2, sizeof(r2));
(void)fprintf(stderr, "Merging differences between %s and "
"%s into %s%s\n", r1, r2, argv[0],
(flags & PIPEOUT) ? "; result to stdout":"");
}
if (diff3_conflicts != 0)
status = D_OVERLAPS;
else
status = 0;
if (flags & PIPEOUT)
buf_write_fd(bp, STDOUT_FILENO);
else {
/* XXX mode */
if (buf_write(bp, argv[0], 0644) < 0)
warnx("buf_write failed");
}
buf_free(bp);
out:
rcs_close(file);
rcsnum_free(rev1);
rcsnum_free(rev2);
return (status);
}
