cache_name_compare(): do not truncate while comparing paths

diff --git a/read-cache.c b/read-cache.c
index 309b77a6c9bae41ba2cde42e0266b02ae4b32497..0cd13aabb96bd0733040f464733579713c963bd1 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -26,7 +26,7 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int reall
 
 #define CACHE_EXT(s) ( (s[0]<<24)|(s[1]<<16)|(s[2]<<8)|(s[3]) )
 #define CACHE_EXT_TREE 0x54524545      /* "TREE" */
-#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUN" */
+#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUC" */
 
 struct index_state the_index;
 
@@ -405,10 +405,15 @@ int df_name_compare(const char *name1, int len1, int mode1,
 
 int cache_name_compare(const char *name1, int flags1, const char *name2, int flags2)
 {
-       int len1 = flags1 & CE_NAMEMASK;
-       int len2 = flags2 & CE_NAMEMASK;
-       int len = len1 < len2 ? len1 : len2;
-       int cmp;
+       int len1, len2, len, cmp;
+
+       len1 = flags1 & CE_NAMEMASK;
+       if (CE_NAMEMASK <= len1)
+               len1 = strlen(name1 + CE_NAMEMASK) + CE_NAMEMASK;
+       len2 = flags2 & CE_NAMEMASK;
+       if (CE_NAMEMASK <= len2)
+               len2 = strlen(name2 + CE_NAMEMASK) + CE_NAMEMASK;
+       len = len1 < len2 ? len1 : len2;
 
        cmp = memcmp(name1, name2, len);
        if (cmp)