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authorLibravatar Pierre Habouzit <madcoder@debian.org>2007-09-24 11:25:03 +0200
committerLibravatar Junio C Hamano <gitster@pobox.com>2007-09-26 02:27:05 -0700
commit45f66f64636350b67eaf6832b0c424592be6ddda (patch)
treeb3299f8c707a2600d2465010c3dfea6f47a3926e
parentstrbuf_setlen(): do not barf on setting length of an empty buffer to 0 (diff)
downloadtgif-45f66f64636350b67eaf6832b0c424592be6ddda.tar.xz
Add strbuf_cmp.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--strbuf.c12
-rw-r--r--strbuf.h1
2 files changed, 13 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index dcb725dcdd..d5e92ee172 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -50,6 +50,18 @@ void strbuf_rtrim(struct strbuf *sb)
sb->buf[sb->len] = '\0';
}
+int strbuf_cmp(struct strbuf *a, struct strbuf *b)
+{
+ int cmp;
+ if (a->len < b->len) {
+ cmp = memcmp(a->buf, b->buf, a->len);
+ return cmp ? cmp : -1;
+ } else {
+ cmp = memcmp(a->buf, b->buf, b->len);
+ return cmp ? cmp : a->len != b->len;
+ }
+}
+
void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
const void *data, size_t dlen)
{
diff --git a/strbuf.h b/strbuf.h
index 3b19de3048..fd68389334 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -78,6 +78,7 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) {
/*----- content related -----*/
extern void strbuf_rtrim(struct strbuf *);
+extern int strbuf_cmp(struct strbuf *, struct strbuf *);
/*----- add data in your buffer -----*/
static inline void strbuf_addch(struct strbuf *sb, int c) {