binary diff and apply: testsuite.

diff --git a/sha1_file.c b/sha1_file.c
index f2d33afb27f6c73ad6c177098fe2f2674add7fbe..54648282592d85cea0b1d42e02f358c240991ce2 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -108,9 +108,10 @@ int safe_create_leading_directories(char *path)
 
 char * sha1_to_hex(const unsigned char *sha1)
 {
-       static char buffer[50];
+       static int bufno;
+       static char hexbuffer[4][50];
        static const char hex[] = "0123456789abcdef";
-       char *buf = buffer;
+       char *buffer = hexbuffer[3 & ++bufno], *buf = buffer;
        int i;
 
        for (i = 0; i < 20; i++) {