[PATCH/RFC] Bugfix for AIX tmpfile creation

[Patrick Higgins <patrick.higgins@cexp.com>]

The AIX mkstemp will modify it's template parameter to an empty string if
the call fails. This caused a subsequent mkdir to fail.

Signed-off-by: Patrick Higgins <patrick.higgins@cexp.com>
---
 sha1_file.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sha1_file.c b/sha1_file.c
index 191f814..92299ed 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2118,6 +2118,7 @@ static int create_tmpfile(char *buffer, size_t bufsiz, const char *filename)
 	fd = mkstemp(buffer);
 	if (fd < 0 && dirlen) {
 		/* Make sure the directory exists */
+		memcpy(buffer, filename, dirlen);
 		buffer[dirlen-1] = 0;
 		if (mkdir(buffer, 0777) || adjust_shared_perm(buffer))
 			return -1;
-- 
1.5.6.dirty