git svn: avoid uninitialized var in 'reset'

diff --git a/sha1_file.c b/sha1_file.c
index c23cc5e6e19a2d8c9a92161b0a5d62a5ef8e920b..28c056e074d1a89e4a3d266eff49c899bfd35e59 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -35,13 +35,6 @@ static size_t sz_fmt(size_t s) { return s; }
 
 const unsigned char null_sha1[20];
 
-static inline int offset_1st_component(const char *path)
-{
-       if (has_dos_drive_prefix(path))
-               return 2 + (path[2] == '/');
-       return *path == '/';
-}
-
 int safe_create_leading_directories(char *path)
 {
        char *pos = path + offset_1st_component(path);
@@ -2278,7 +2271,7 @@ static int create_tmpfile(char *buffer, size_t bufsiz, const char *filename)
 }
 
 static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
-                             void *buf, unsigned long len, time_t mtime)
+                             const void *buf, unsigned long len, time_t mtime)
 {
        int fd, ret;
        unsigned char compressed[4096];
@@ -2314,7 +2307,7 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
        git_SHA1_Update(&c, hdr, hdrlen);
 
        /* Then the data itself.. */
-       stream.next_in = buf;
+       stream.next_in = (void *)buf;
        stream.avail_in = len;
        do {
                unsigned char *in0 = stream.next_in;
@@ -2349,7 +2342,7 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
        return move_temp_to_file(tmpfile, filename);
 }
 
-int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1)
+int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *returnsha1)
 {
        unsigned char sha1[20];
        char hdr[32];
@@ -2523,3 +2516,13 @@ int read_pack_header(int fd, struct pack_header *header)
                return PH_ERROR_PROTOCOL;
        return 0;
 }
+
+void assert_sha1_type(const unsigned char *sha1, enum object_type expect)
+{
+       enum object_type type = sha1_object_info(sha1, NULL);
+       if (type < 0)
+               die("%s is not a valid object", sha1_to_hex(sha1));
+       if (type != expect)
+               die("%s is not a valid '%s' object", sha1_to_hex(sha1),
+                   typename(expect));
+}