git_mkstemp(): be careful not to overflow the path buffer.

diff --git a/exec_cmd.c b/exec_cmd.c
index 3996bce33fe11b8f0bae120fabd40a74c66de342..9b74ed2f42ad9a452f5a1d9ab55d5ca1e1de2594 100644 (file)
--- a/exec_cmd.c
+++ b/exec_cmd.c
@@ -56,7 +56,7 @@ int execv_git_cmd(const char **argv)
                        len = strlen(git_command);
 
                        /* Trivial cleanup */
-                       while (!strncmp(exec_dir, "./", 2)) {
+                       while (!prefixcmp(exec_dir, "./")) {
                                exec_dir += 2;
                                while (*exec_dir == '/')
                                        exec_dir++;