diff --git a/strbuf.c b/strbuf.c
index 77444a94df3d4a0cda6403957fd13ea262d3ab24..cd576dc290a476490da1ae0478d1c931d055a78d 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
void strbuf_grow(struct strbuf *sb, size_t extra)
{
+ int new_buf = !sb->alloc;
if (unsigned_add_overflows(extra, 1) ||
unsigned_add_overflows(sb->len, extra + 1))
die("you want to use way too much memory");
- if (!sb->alloc)
+ if (new_buf)
sb->buf = NULL;
ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
+ if (new_buf)
+ sb->buf[0] = '\0';
}
void strbuf_trim(struct strbuf *sb)