X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/10c12171cc2f94087c85651b14831c1e52daa087..3ea204e1031a94dafca7f7e4eed2f79ec3bd7fd0:/src/zipmap.c

diff --git a/src/zipmap.c b/src/zipmap.c
index be780a82..693db7b9 100644
--- a/src/zipmap.c
+++ b/src/zipmap.c
@@ -144,7 +144,7 @@ static unsigned char *zipmapLookupRaw(unsigned char *zm, unsigned char *key, uns
         /* Match or skip the key */
         l = zipmapDecodeLength(p);
         llen = zipmapEncodeLength(NULL,l);
-        if (k == NULL && l == klen && !memcmp(p+llen,key,l)) {
+        if (key != NULL && k == NULL && l == klen && !memcmp(p+llen,key,l)) {
             /* Only return when the user doesn't care
              * for the total length of the zipmap. */
             if (totlen != NULL) {
@@ -360,6 +360,16 @@ unsigned int zipmapLen(unsigned char *zm) {
     return len;
 }
 
+/* Return the raw size in bytes of a zipmap, so that we can serialize
+ * the zipmap on disk (or everywhere is needed) just writing the returned
+ * amount of bytes of the C array starting at the zipmap pointer. */
+size_t zipmapBlobLen(unsigned char *zm) {
+    unsigned int totlen;
+    zipmapLookupRaw(zm,NULL,0,&totlen);
+    return totlen;
+}
+
+#ifdef ZIPMAP_TEST_MAIN
 void zipmapRepr(unsigned char *p) {
     unsigned int l;
 
@@ -393,7 +403,6 @@ void zipmapRepr(unsigned char *p) {
     printf("\n");
 }
 
-#ifdef ZIPMAP_TEST_MAIN
 int main(void) {
     unsigned char *zm;