Merge branch 'rs/apply-inaccurate-eof-with-incomplete-line'
[gitweb.git] / hex.c
diff --git a/hex.c b/hex.c
index 845b01a874b45314a22e6000bb4e7762c3dd846a..8df2d63728f0405a9b1dc70aa404954dd921b6bc 100644 (file)
--- a/hex.c
+++ b/hex.c
@@ -35,6 +35,18 @@ const signed char hexval_table[256] = {
         -1, -1, -1, -1, -1, -1, -1, -1,                /* f8-ff */
 };
 
+int hex_to_bytes(unsigned char *binary, const char *hex, size_t len)
+{
+       for (; len; len--, hex += 2) {
+               unsigned int val = (hexval(hex[0]) << 4) | hexval(hex[1]);
+
+               if (val & ~0xff)
+                       return -1;
+               *binary++ = val;
+       }
+       return 0;
+}
+
 int get_sha1_hex(const char *hex, unsigned char *sha1)
 {
        int i;
@@ -53,6 +65,14 @@ int get_oid_hex(const char *hex, struct object_id *oid)
        return get_sha1_hex(hex, oid->hash);
 }
 
+int parse_oid_hex(const char *hex, struct object_id *oid, const char **end)
+{
+       int ret = get_oid_hex(hex, oid);
+       if (!ret)
+               *end = hex + GIT_SHA1_HEXSZ;
+       return ret;
+}
+
 char *sha1_to_hex_r(char *buffer, const unsigned char *sha1)
 {
        static const char hex[] = "0123456789abcdef";
@@ -77,7 +97,7 @@ char *oid_to_hex_r(char *buffer, const struct object_id *oid)
 char *sha1_to_hex(const unsigned char *sha1)
 {
        static int bufno;
-       static char hexbuffer[4][GIT_SHA1_HEXSZ + 1];
+       static char hexbuffer[4][GIT_MAX_HEXSZ + 1];
        bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer);
        return sha1_to_hex_r(hexbuffer[bufno], sha1);
 }