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authorRené Scharfe <rene.scharfe@lsrfire.ath.cx>2007-11-10 11:16:05 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-11-11 10:04:46 (GMT)
commit91db267ec849279053cf3ac3066c2f2c11db4321 (patch)
tree880d841fcc82d4c77d6fe4dfffb8ffb2139ff32a /strbuf.c
parentf29d59586c2a1666d18776cca5d96752dec0e8a2 (diff)
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add strbuf_adddup()
Add a new function, strbuf_adddup(), that appends a duplicate of a part of a struct strbuf to end of the latter. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'strbuf.c')
-rw-r--r--strbuf.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index 536b432..dbd8c4b 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -106,6 +106,13 @@ void strbuf_add(struct strbuf *sb, const void *data, size_t len)
strbuf_setlen(sb, sb->len + len);
}
+void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len)
+{
+ strbuf_grow(sb, len);
+ memcpy(sb->buf + sb->len, sb->buf + pos, len);
+ strbuf_setlen(sb, sb->len + len);
+}
+
void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
{
int len;