3 #include "string-list.h"
6 int starts_with(const char *str, const char *prefix)
8 for (; ; str++, prefix++)
11 else if (*str != *prefix)
15 int istarts_with(const char *str, const char *prefix)
17 for (; ; str++, prefix++)
20 else if (tolower(*str) != tolower(*prefix))
24 int skip_to_optional_arg_default(const char *str, const char *prefix,
25 const char **arg, const char *def)
29 if (!skip_prefix(str, prefix, &p))
47 * Used as the default ->buf value, so that people can always assume
48 * buf is non NULL and ->buf is NUL terminated even for a freshly
51 char strbuf_slopbuf[1];
53 void strbuf_init(struct strbuf *sb, size_t hint)
55 sb->alloc = sb->len = 0;
56 sb->buf = strbuf_slopbuf;
58 strbuf_grow(sb, hint);
61 void strbuf_release(struct strbuf *sb)
69 char *strbuf_detach(struct strbuf *sb, size_t *sz)
80 void strbuf_attach(struct strbuf *sb, void *buf, size_t len, size_t alloc)
87 sb->buf[sb->len] = '\0';
90 void strbuf_grow(struct strbuf *sb, size_t extra)
92 int new_buf = !sb->alloc;
93 if (unsigned_add_overflows(extra, 1) ||
94 unsigned_add_overflows(sb->len, extra + 1))
95 die("you want to use way too much memory");
98 ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
103 void strbuf_trim(struct strbuf *sb)
109 void strbuf_rtrim(struct strbuf *sb)
111 while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
113 sb->buf[sb->len] = '\0';
116 void strbuf_trim_trailing_dir_sep(struct strbuf *sb)
118 while (sb->len > 0 && is_dir_sep((unsigned char)sb->buf[sb->len - 1]))
120 sb->buf[sb->len] = '\0';
123 void strbuf_trim_trailing_newline(struct strbuf *sb)
125 if (sb->len > 0 && sb->buf[sb->len - 1] == '\n') {
126 if (--sb->len > 0 && sb->buf[sb->len - 1] == '\r')
128 sb->buf[sb->len] = '\0';
132 void strbuf_ltrim(struct strbuf *sb)
135 while (sb->len > 0 && isspace(*b)) {
139 memmove(sb->buf, b, sb->len);
140 sb->buf[sb->len] = '\0';
143 int strbuf_reencode(struct strbuf *sb, const char *from, const char *to)
148 if (same_encoding(from, to))
151 out = reencode_string_len(sb->buf, sb->len, to, from, &len);
155 strbuf_attach(sb, out, len, len);
159 void strbuf_tolower(struct strbuf *sb)
161 char *p = sb->buf, *end = sb->buf + sb->len;
166 struct strbuf **strbuf_split_buf(const char *str, size_t slen,
167 int terminator, int max)
169 struct strbuf **ret = NULL;
170 size_t nr = 0, alloc = 0;
175 if (max <= 0 || nr + 1 < max) {
176 const char *end = memchr(str, terminator, slen);
180 t = xmalloc(sizeof(struct strbuf));
182 strbuf_add(t, str, len);
183 ALLOC_GROW(ret, nr + 2, alloc);
188 ALLOC_GROW(ret, nr + 1, alloc); /* In case string was empty */
193 void strbuf_add_separated_string_list(struct strbuf *str,
195 struct string_list *slist)
197 struct string_list_item *item;
200 for_each_string_list_item(item, slist) {
202 strbuf_addstr(str, sep);
203 strbuf_addstr(str, item->string);
208 void strbuf_list_free(struct strbuf **sbs)
210 struct strbuf **s = sbs;
221 int strbuf_cmp(const struct strbuf *a, const struct strbuf *b)
223 size_t len = a->len < b->len ? a->len: b->len;
224 int cmp = memcmp(a->buf, b->buf, len);
227 return a->len < b->len ? -1: a->len != b->len;
230 void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
231 const void *data, size_t dlen)
233 if (unsigned_add_overflows(pos, len))
234 die("you want to use way too much memory");
236 die("`pos' is too far after the end of the buffer");
237 if (pos + len > sb->len)
238 die("`pos + len' is too far after the end of the buffer");
241 strbuf_grow(sb, dlen - len);
242 memmove(sb->buf + pos + dlen,
244 sb->len - pos - len);
245 memcpy(sb->buf + pos, data, dlen);
246 strbuf_setlen(sb, sb->len + dlen - len);
249 void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len)
251 strbuf_splice(sb, pos, 0, data, len);
254 void strbuf_vinsertf(struct strbuf *sb, size_t pos, const char *fmt, va_list ap)
261 die("`pos' is too far after the end of the buffer");
263 len = vsnprintf(sb->buf + sb->len, 0, fmt, cp);
266 BUG("your vsnprintf is broken (returned %d)", len);
268 return; /* nothing to do */
269 if (unsigned_add_overflows(sb->len, len))
270 die("you want to use way too much memory");
271 strbuf_grow(sb, len);
272 memmove(sb->buf + pos + len, sb->buf + pos, sb->len - pos);
273 /* vsnprintf() will append a NUL, overwriting one of our characters */
274 save = sb->buf[pos + len];
275 len2 = vsnprintf(sb->buf + pos, len + 1, fmt, ap);
276 sb->buf[pos + len] = save;
278 BUG("your vsnprintf is broken (returns inconsistent lengths)");
279 strbuf_setlen(sb, sb->len + len);
282 void strbuf_insertf(struct strbuf *sb, size_t pos, const char *fmt, ...)
286 strbuf_vinsertf(sb, pos, fmt, ap);
290 void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
292 strbuf_splice(sb, pos, len, "", 0);
295 void strbuf_add(struct strbuf *sb, const void *data, size_t len)
297 strbuf_grow(sb, len);
298 memcpy(sb->buf + sb->len, data, len);
299 strbuf_setlen(sb, sb->len + len);
302 void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2)
304 strbuf_grow(sb, sb2->len);
305 memcpy(sb->buf + sb->len, sb2->buf, sb2->len);
306 strbuf_setlen(sb, sb->len + sb2->len);
309 const char *strbuf_join_argv(struct strbuf *buf,
310 int argc, const char **argv, char delim)
315 strbuf_addstr(buf, *argv);
317 strbuf_addch(buf, delim);
318 strbuf_addstr(buf, *(++argv));
324 void strbuf_addchars(struct strbuf *sb, int c, size_t n)
327 memset(sb->buf + sb->len, c, n);
328 strbuf_setlen(sb, sb->len + n);
331 void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
335 strbuf_vaddf(sb, fmt, ap);
339 static void add_lines(struct strbuf *out,
342 const char *buf, size_t size)
346 const char *next = memchr(buf, '\n', size);
347 next = next ? (next + 1) : (buf + size);
349 prefix = ((prefix2 && (buf[0] == '\n' || buf[0] == '\t'))
350 ? prefix2 : prefix1);
351 strbuf_addstr(out, prefix);
352 strbuf_add(out, buf, next - buf);
356 strbuf_complete_line(out);
359 void strbuf_add_commented_lines(struct strbuf *out, const char *buf, size_t size)
361 static char prefix1[3];
362 static char prefix2[2];
364 if (prefix1[0] != comment_line_char) {
365 xsnprintf(prefix1, sizeof(prefix1), "%c ", comment_line_char);
366 xsnprintf(prefix2, sizeof(prefix2), "%c", comment_line_char);
368 add_lines(out, prefix1, prefix2, buf, size);
371 void strbuf_commented_addf(struct strbuf *sb, const char *fmt, ...)
374 struct strbuf buf = STRBUF_INIT;
375 int incomplete_line = sb->len && sb->buf[sb->len - 1] != '\n';
377 va_start(params, fmt);
378 strbuf_vaddf(&buf, fmt, params);
381 strbuf_add_commented_lines(sb, buf.buf, buf.len);
383 sb->buf[--sb->len] = '\0';
385 strbuf_release(&buf);
388 void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap)
393 if (!strbuf_avail(sb))
396 len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, cp);
399 BUG("your vsnprintf is broken (returned %d)", len);
400 if (len > strbuf_avail(sb)) {
401 strbuf_grow(sb, len);
402 len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
403 if (len > strbuf_avail(sb))
404 BUG("your vsnprintf is broken (insatiable)");
406 strbuf_setlen(sb, sb->len + len);
409 void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn,
416 percent = strchrnul(format, '%');
417 strbuf_add(sb, format, percent - format);
420 format = percent + 1;
422 if (*format == '%') {
423 strbuf_addch(sb, '%');
428 consumed = fn(sb, format, context);
432 strbuf_addch(sb, '%');
436 size_t strbuf_expand_literal_cb(struct strbuf *sb,
437 const char *placeholder,
442 switch (placeholder[0]) {
443 case 'n': /* newline */
444 strbuf_addch(sb, '\n');
447 /* %x00 == NUL, %x0a == LF, etc. */
448 ch = hex2chr(placeholder + 1);
451 strbuf_addch(sb, ch);
457 size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder,
460 struct strbuf_expand_dict_entry *e = context;
463 for (; e->placeholder && (len = strlen(e->placeholder)); e++) {
464 if (!strncmp(placeholder, e->placeholder, len)) {
466 strbuf_addstr(sb, e->value);
473 void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src)
475 size_t i, len = src->len;
477 for (i = 0; i < len; i++) {
478 if (src->buf[i] == '%')
479 strbuf_addch(dst, '%');
480 strbuf_addch(dst, src->buf[i]);
484 #define URL_UNSAFE_CHARS " <>\"%{}|\\^`:?#[]@!$&'()*+,;="
486 void strbuf_add_percentencode(struct strbuf *dst, const char *src, int flags)
488 size_t i, len = strlen(src);
490 for (i = 0; i < len; i++) {
491 unsigned char ch = src[i];
492 if (ch <= 0x1F || ch >= 0x7F ||
493 (ch == '/' && (flags & STRBUF_ENCODE_SLASH)) ||
494 strchr(URL_UNSAFE_CHARS, ch))
495 strbuf_addf(dst, "%%%02X", (unsigned char)ch);
497 strbuf_addch(dst, ch);
501 size_t strbuf_fread(struct strbuf *sb, size_t size, FILE *f)
504 size_t oldalloc = sb->alloc;
506 strbuf_grow(sb, size);
507 res = fread(sb->buf + sb->len, 1, size, f);
509 strbuf_setlen(sb, sb->len + res);
510 else if (oldalloc == 0)
515 ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint)
517 size_t oldlen = sb->len;
518 size_t oldalloc = sb->alloc;
520 strbuf_grow(sb, hint ? hint : 8192);
522 ssize_t want = sb->alloc - sb->len - 1;
523 ssize_t got = read_in_full(fd, sb->buf + sb->len, want);
529 strbuf_setlen(sb, oldlen);
535 strbuf_grow(sb, 8192);
538 sb->buf[sb->len] = '\0';
539 return sb->len - oldlen;
542 ssize_t strbuf_read_once(struct strbuf *sb, int fd, size_t hint)
544 size_t oldalloc = sb->alloc;
547 strbuf_grow(sb, hint ? hint : 8192);
548 cnt = xread(fd, sb->buf + sb->len, sb->alloc - sb->len - 1);
550 strbuf_setlen(sb, sb->len + cnt);
551 else if (oldalloc == 0)
556 ssize_t strbuf_write(struct strbuf *sb, FILE *f)
558 return sb->len ? fwrite(sb->buf, 1, sb->len, f) : 0;
561 #define STRBUF_MAXLINK (2*PATH_MAX)
563 int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint)
565 size_t oldalloc = sb->alloc;
570 while (hint < STRBUF_MAXLINK) {
573 strbuf_grow(sb, hint);
574 len = readlink(path, sb->buf, hint);
578 } else if (len < hint) {
579 strbuf_setlen(sb, len);
583 /* .. the buffer was too small - try again */
591 int strbuf_getcwd(struct strbuf *sb)
593 size_t oldalloc = sb->alloc;
594 size_t guessed_len = 128;
596 for (;; guessed_len *= 2) {
597 strbuf_grow(sb, guessed_len);
598 if (getcwd(sb->buf, sb->alloc)) {
599 strbuf_setlen(sb, strlen(sb->buf));
604 * If getcwd(3) is implemented as a syscall that falls
605 * back to a regular lookup using readdir(3) etc. then
606 * we may be able to avoid EACCES by providing enough
607 * space to the syscall as it's not necessarily bound
608 * to the same restrictions as the fallback.
610 if (errno == EACCES && guessed_len < PATH_MAX)
624 int strbuf_getwholeline(struct strbuf *sb, FILE *fp, int term)
633 /* Translate slopbuf to NULL, as we cannot call realloc on it */
637 r = getdelim(&sb->buf, &sb->alloc, term, fp);
646 * Normally we would have called xrealloc, which will try to free
647 * memory and recover. But we have no way to tell getdelim() to do so.
648 * Worse, we cannot try to recover ENOMEM ourselves, because we have
649 * no idea how many bytes were read by getdelim.
651 * Dying here is reasonable. It mirrors what xrealloc would do on
652 * catastrophic memory failure. We skip the opportunity to free pack
653 * memory and retry, but that's unlikely to help for a malloc small
654 * enough to hold a single line of input, anyway.
657 die("Out of memory, getdelim failed");
660 * Restore strbuf invariants; if getdelim left us with a NULL pointer,
661 * we can just re-init, but otherwise we should make sure that our
662 * length is empty, and that the result is NUL-terminated.
671 int strbuf_getwholeline(struct strbuf *sb, FILE *fp, int term)
680 while ((ch = getc_unlocked(fp)) != EOF) {
681 if (!strbuf_avail(sb))
683 sb->buf[sb->len++] = ch;
688 if (ch == EOF && sb->len == 0)
691 sb->buf[sb->len] = '\0';
696 int strbuf_appendwholeline(struct strbuf *sb, FILE *fp, int term)
698 struct strbuf line = STRBUF_INIT;
699 if (strbuf_getwholeline(&line, fp, term))
701 strbuf_addbuf(sb, &line);
702 strbuf_release(&line);
706 static int strbuf_getdelim(struct strbuf *sb, FILE *fp, int term)
708 if (strbuf_getwholeline(sb, fp, term))
710 if (sb->buf[sb->len - 1] == term)
711 strbuf_setlen(sb, sb->len - 1);
715 int strbuf_getline(struct strbuf *sb, FILE *fp)
717 if (strbuf_getwholeline(sb, fp, '\n'))
719 if (sb->buf[sb->len - 1] == '\n') {
720 strbuf_setlen(sb, sb->len - 1);
721 if (sb->len && sb->buf[sb->len - 1] == '\r')
722 strbuf_setlen(sb, sb->len - 1);
727 int strbuf_getline_lf(struct strbuf *sb, FILE *fp)
729 return strbuf_getdelim(sb, fp, '\n');
732 int strbuf_getline_nul(struct strbuf *sb, FILE *fp)
734 return strbuf_getdelim(sb, fp, '\0');
737 int strbuf_getwholeline_fd(struct strbuf *sb, int fd, int term)
743 ssize_t len = xread(fd, &ch, 1);
746 strbuf_addch(sb, ch);
753 ssize_t strbuf_read_file(struct strbuf *sb, const char *path, size_t hint)
759 fd = open(path, O_RDONLY);
762 len = strbuf_read(sb, fd, hint);
773 void strbuf_add_lines(struct strbuf *out, const char *prefix,
774 const char *buf, size_t size)
776 add_lines(out, prefix, NULL, buf, size);
779 void strbuf_addstr_xml_quoted(struct strbuf *buf, const char *s)
782 size_t len = strcspn(s, "\"<>&");
783 strbuf_add(buf, s, len);
787 strbuf_addstr(buf, """);
790 strbuf_addstr(buf, "<");
793 strbuf_addstr(buf, ">");
796 strbuf_addstr(buf, "&");
805 int is_rfc3986_reserved_or_unreserved(char ch)
807 if (is_rfc3986_unreserved(ch))
810 case '!': case '*': case '\'': case '(': case ')': case ';':
811 case ':': case '@': case '&': case '=': case '+': case '$':
812 case ',': case '/': case '?': case '#': case '[': case ']':
818 int is_rfc3986_unreserved(char ch)
820 return isalnum(ch) ||
821 ch == '-' || ch == '_' || ch == '.' || ch == '~';
824 static void strbuf_add_urlencode(struct strbuf *sb, const char *s, size_t len,
825 char_predicate allow_unencoded_fn)
827 strbuf_grow(sb, len);
830 if (allow_unencoded_fn(ch))
831 strbuf_addch(sb, ch);
833 strbuf_addf(sb, "%%%02x", (unsigned char)ch);
837 void strbuf_addstr_urlencode(struct strbuf *sb, const char *s,
838 char_predicate allow_unencoded_fn)
840 strbuf_add_urlencode(sb, s, strlen(s), allow_unencoded_fn);
843 static void strbuf_humanise(struct strbuf *buf, off_t bytes,
846 if (bytes > 1 << 30) {
849 /* TRANSLATORS: IEC 80000-13:2008 gibibyte */
851 /* TRANSLATORS: IEC 80000-13:2008 gibibyte/second */
853 (unsigned)(bytes >> 30),
854 (unsigned)(bytes & ((1 << 30) - 1)) / 10737419);
855 } else if (bytes > 1 << 20) {
856 unsigned x = bytes + 5243; /* for rounding */
859 /* TRANSLATORS: IEC 80000-13:2008 mebibyte */
861 /* TRANSLATORS: IEC 80000-13:2008 mebibyte/second */
863 x >> 20, ((x & ((1 << 20) - 1)) * 100) >> 20);
864 } else if (bytes > 1 << 10) {
865 unsigned x = bytes + 5; /* for rounding */
868 /* TRANSLATORS: IEC 80000-13:2008 kibibyte */
870 /* TRANSLATORS: IEC 80000-13:2008 kibibyte/second */
872 x >> 10, ((x & ((1 << 10) - 1)) * 100) >> 10);
876 /* TRANSLATORS: IEC 80000-13:2008 byte */
877 Q_("%u byte", "%u bytes", (unsigned)bytes) :
878 /* TRANSLATORS: IEC 80000-13:2008 byte/second */
879 Q_("%u byte/s", "%u bytes/s", (unsigned)bytes),
884 void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes)
886 strbuf_humanise(buf, bytes, 0);
889 void strbuf_humanise_rate(struct strbuf *buf, off_t bytes)
891 strbuf_humanise(buf, bytes, 1);
894 void strbuf_add_absolute_path(struct strbuf *sb, const char *path)
897 die("The empty string is not a valid path");
898 if (!is_absolute_path(path)) {
899 struct stat cwd_stat, pwd_stat;
900 size_t orig_len = sb->len;
901 char *cwd = xgetcwd();
902 char *pwd = getenv("PWD");
903 if (pwd && strcmp(pwd, cwd) &&
904 !stat(cwd, &cwd_stat) &&
905 (cwd_stat.st_dev || cwd_stat.st_ino) &&
906 !stat(pwd, &pwd_stat) &&
907 pwd_stat.st_dev == cwd_stat.st_dev &&
908 pwd_stat.st_ino == cwd_stat.st_ino)
909 strbuf_addstr(sb, pwd);
911 strbuf_addstr(sb, cwd);
912 if (sb->len > orig_len && !is_dir_sep(sb->buf[sb->len - 1]))
913 strbuf_addch(sb, '/');
916 strbuf_addstr(sb, path);
919 void strbuf_add_real_path(struct strbuf *sb, const char *path)
922 struct strbuf resolved = STRBUF_INIT;
923 strbuf_realpath(&resolved, path, 1);
924 strbuf_addbuf(sb, &resolved);
925 strbuf_release(&resolved);
927 strbuf_realpath(sb, path, 1);
930 int printf_ln(const char *fmt, ...)
935 ret = vprintf(fmt, ap);
937 if (ret < 0 || putchar('\n') == EOF)
942 int fprintf_ln(FILE *fp, const char *fmt, ...)
947 ret = vfprintf(fp, fmt, ap);
949 if (ret < 0 || putc('\n', fp) == EOF)
954 char *xstrdup_tolower(const char *string)
959 len = strlen(string);
960 result = xmallocz(len);
961 for (i = 0; i < len; i++)
962 result[i] = tolower(string[i]);
966 char *xstrdup_toupper(const char *string)
971 len = strlen(string);
972 result = xmallocz(len);
973 for (i = 0; i < len; i++)
974 result[i] = toupper(string[i]);
978 char *xstrvfmt(const char *fmt, va_list ap)
980 struct strbuf buf = STRBUF_INIT;
981 strbuf_vaddf(&buf, fmt, ap);
982 return strbuf_detach(&buf, NULL);
985 char *xstrfmt(const char *fmt, ...)
991 ret = xstrvfmt(fmt, ap);
997 void strbuf_addftime(struct strbuf *sb, const char *fmt, const struct tm *tm,
998 int tz_offset, int suppress_tz_name)
1000 struct strbuf munged_fmt = STRBUF_INIT;
1008 * There is no portable way to pass timezone information to
1009 * strftime, so we handle %z and %Z here.
1012 const char *percent = strchrnul(fmt, '%');
1013 strbuf_add(&munged_fmt, fmt, percent - fmt);
1019 strbuf_addstr(&munged_fmt, "%%");
1023 strbuf_addf(&munged_fmt, "%+05d", tz_offset);
1027 if (suppress_tz_name) {
1033 strbuf_addch(&munged_fmt, '%');
1036 fmt = munged_fmt.buf;
1038 strbuf_grow(sb, hint);
1039 len = strftime(sb->buf + sb->len, sb->alloc - sb->len, fmt, tm);
1043 * strftime reports "0" if it could not fit the result in the buffer.
1044 * Unfortunately, it also reports "0" if the requested time string
1045 * takes 0 bytes. So our strategy is to munge the format so that the
1046 * output contains at least one character, and then drop the extra
1047 * character before returning.
1049 strbuf_addch(&munged_fmt, ' ');
1052 strbuf_grow(sb, hint);
1053 len = strftime(sb->buf + sb->len, sb->alloc - sb->len,
1054 munged_fmt.buf, tm);
1056 len--; /* drop munged space */
1058 strbuf_release(&munged_fmt);
1059 strbuf_setlen(sb, sb->len + len);
1062 void strbuf_add_unique_abbrev(struct strbuf *sb, const struct object_id *oid,
1066 strbuf_grow(sb, GIT_MAX_HEXSZ + 1);
1067 r = find_unique_abbrev_r(sb->buf + sb->len, oid, abbrev_len);
1068 strbuf_setlen(sb, sb->len + r);
1072 * Returns the length of a line, without trailing spaces.
1074 * If the line ends with newline, it will be removed too.
1076 static size_t cleanup(char *line, size_t len)
1079 unsigned char c = line[len - 1];
1089 * Remove empty lines from the beginning and end
1090 * and also trailing spaces from every line.
1092 * Turn multiple consecutive empty lines between paragraphs
1093 * into just one empty line.
1095 * If the input has only empty lines and spaces,
1096 * no output will be produced.
1098 * If last line does not have a newline at the end, one is added.
1100 * Enable skip_comments to skip every line starting with comment
1103 void strbuf_stripspace(struct strbuf *sb, int skip_comments)
1106 size_t i, j, len, newlen;
1109 /* We may have to add a newline. */
1112 for (i = j = 0; i < sb->len; i += len, j += newlen) {
1113 eol = memchr(sb->buf + i, '\n', sb->len - i);
1114 len = eol ? eol - (sb->buf + i) + 1 : sb->len - i;
1116 if (skip_comments && len && sb->buf[i] == comment_line_char) {
1120 newlen = cleanup(sb->buf + i, len);
1122 /* Not just an empty line? */
1124 if (empties > 0 && j > 0)
1125 sb->buf[j++] = '\n';
1127 memmove(sb->buf + j, sb->buf + i, newlen);
1128 sb->buf[newlen + j++] = '\n';
1134 strbuf_setlen(sb, j);
1137 int strbuf_normalize_path(struct strbuf *src)
1139 struct strbuf dst = STRBUF_INIT;
1141 strbuf_grow(&dst, src->len);
1142 if (normalize_path_copy(dst.buf, src->buf) < 0) {
1143 strbuf_release(&dst);
1148 * normalize_path does not tell us the new length, so we have to
1149 * compute it by looking for the new NUL it placed
1151 strbuf_setlen(&dst, strlen(dst.buf));
1152 strbuf_swap(src, &dst);
1153 strbuf_release(&dst);
1157 int strbuf_edit_interactively(struct strbuf *buffer, const char *path,
1158 const char *const *env)
1163 if (!is_absolute_path(path))
1164 path = path2 = xstrdup(git_path("%s", path));
1166 fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0666);
1168 res = error_errno(_("could not open '%s' for writing"), path);
1169 else if (write_in_full(fd, buffer->buf, buffer->len) < 0) {
1170 res = error_errno(_("could not write to '%s'"), path);
1172 } else if (close(fd) < 0)
1173 res = error_errno(_("could not close '%s'"), path);
1175 strbuf_reset(buffer);
1176 if (launch_editor(path, buffer, env) < 0)
1177 res = error_errno(_("could not edit '%s'"), path);