compat/inet_ntop: fix off-by-one in inet_ntop4

diff --git a/strbuf.c b/strbuf.c
index 29df55b1b0f36522be7e141e9f29ba2bfcc978c1..f3c44fb3b33b1419c2d2952a74477467fa8f6c4d 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -743,3 +743,12 @@ void strbuf_addftime(struct strbuf *sb, const char *fmt, const struct tm *tm)
        }
        strbuf_setlen(sb, sb->len + len);
 }
+
+void strbuf_add_unique_abbrev(struct strbuf *sb, const unsigned char *sha1,
+                             int abbrev_len)
+{
+       int r;
+       strbuf_grow(sb, GIT_SHA1_HEXSZ + 1);
+       r = find_unique_abbrev_r(sb->buf + sb->len, sha1, abbrev_len);
+       strbuf_setlen(sb, sb->len + r);
+}