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authorJunio C Hamano <gitster@pobox.com>2019-04-22 02:14:43 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-04-22 02:14:43 (GMT)
commite36adf712251a19bd2ada0016764d340dfcf2ba0 (patch)
tree0b58e0a8e315bb737fdcdb16cf8f30d262025f76 /strbuf.c
parentffac537e6cbbf934b08745a378932722df287a53 (diff)
parent7906af0cb84c8e65656347909abd4e22b04d1c1e (diff)
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Merge branch 'ps/stash-in-c'
"git stash" rewritten in C. * ps/stash-in-c: (28 commits) tests: add a special setup where stash.useBuiltin is off stash: optionally use the scripted version again stash: add back the original, scripted `git stash` stash: convert `stash--helper.c` into `stash.c` stash: replace all `write-tree` child processes with API calls stash: optimize `get_untracked_files()` and `check_changes()` stash: convert save to builtin stash: make push -q quiet stash: convert push to builtin stash: convert create to builtin stash: convert store to builtin stash: convert show to builtin stash: convert list to builtin stash: convert pop to builtin stash: convert branch to builtin stash: convert drop and clear to builtin stash: convert apply to builtin stash: mention options in `show` synopsis stash: add tests for `git stash show` config stash: rename test cases to be more descriptive ...
Diffstat (limited to 'strbuf.c')
-rw-r--r--strbuf.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index 78eecd2..0e18b25 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -249,6 +249,42 @@ void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len)
strbuf_splice(sb, pos, 0, data, len);
}
+void strbuf_vinsertf(struct strbuf *sb, size_t pos, const char *fmt, va_list ap)
+{
+ int len, len2;
+ char save;
+ va_list cp;
+
+ if (pos > sb->len)
+ die("`pos' is too far after the end of the buffer");
+ va_copy(cp, ap);
+ len = vsnprintf(sb->buf + sb->len, 0, fmt, cp);
+ va_end(cp);
+ if (len < 0)
+ BUG("your vsnprintf is broken (returned %d)", len);
+ if (!len)
+ return; /* nothing to do */
+ if (unsigned_add_overflows(sb->len, len))
+ die("you want to use way too much memory");
+ strbuf_grow(sb, len);
+ memmove(sb->buf + pos + len, sb->buf + pos, sb->len - pos);
+ /* vsnprintf() will append a NUL, overwriting one of our characters */
+ save = sb->buf[pos + len];
+ len2 = vsnprintf(sb->buf + pos, len + 1, fmt, ap);
+ sb->buf[pos + len] = save;
+ if (len2 != len)
+ BUG("your vsnprintf is broken (returns inconsistent lengths)");
+ strbuf_setlen(sb, sb->len + len);
+}
+
+void strbuf_insertf(struct strbuf *sb, size_t pos, const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ strbuf_vinsertf(sb, pos, fmt, ap);
+ va_end(ap);
+}
+
void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
{
strbuf_splice(sb, pos, len, "", 0);
@@ -268,6 +304,21 @@ void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2)
strbuf_setlen(sb, sb->len + sb2->len);
}
+const char *strbuf_join_argv(struct strbuf *buf,
+ int argc, const char **argv, char delim)
+{
+ if (!argc)
+ return buf->buf;
+
+ strbuf_addstr(buf, *argv);
+ while (--argc) {
+ strbuf_addch(buf, delim);
+ strbuf_addstr(buf, *(++argv));
+ }
+
+ return buf->buf;
+}
+
void strbuf_addchars(struct strbuf *sb, int c, size_t n)
{
strbuf_grow(sb, n);