Use "-Wall -O2" for the compiler to get more warnings.

[git.git] / read-cache.c

diff --git a/read-cache.c b/read-cache.c
index b151981..60a0b5b 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -89,7 +89,7 @@ void * read_sha1_file(unsigned char *sha1, char *type, unsigned long *size)
        z_stream stream;
        char buffer[8192];
        struct stat st;
-       int i, fd, ret, bytes;
+       int fd, ret, bytes;
        void *map, *buf;
        char *filename = sha1_file_name(sha1);
 
@@ -173,7 +173,7 @@ int write_sha1_file(char *buf, unsigned len)
 int write_sha1_buffer(unsigned char *sha1, void *buf, unsigned int size)
 {
        char *filename = sha1_file_name(sha1);
-       int i, fd;
+       int fd;
 
        fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0666);
        if (fd < 0)
@@ -228,6 +228,7 @@ int read_cache(void)
        if (fd < 0)
                return (errno == ENOENT) ? 0 : error("open failed");
 
+       size = 0; // avoid gcc warning
        map = (void *)-1;
        if (!fstat(fd, &st)) {
                map = NULL;