[PATCH] Off-by-one error in get_path_prefix(), found by Valgrind
From: Pavel Roskin <proski@gnu.org>
Signed-off-by: Pavel Roskin <proski@gnu.org>
---
builtin-tar-tree.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/builtin-tar-tree.c b/builtin-tar-tree.c
index 5f740cf..05da1f2 100644
--- a/builtin-tar-tree.c
+++ b/builtin-tar-tree.c
@@ -166,8 +166,8 @@ static unsigned int ustar_header_chksum(
static int get_path_prefix(const struct strbuf *path, int maxlen)
{
int i = path->len;
- if (i > maxlen)
- i = maxlen;
+ if (i >= maxlen)
+ i = maxlen - 1;
while (i > 0 && path->buf[i] != '/')
i--;
return i;