Make replication faster (biggest gain for small number of slaves)

[redis.git] / src / sds.h

diff --git a/src/sds.h b/src/sds.h
index 6a3178688f5040af7572deb72f628d507cabe4ee..ea43f868265e1b01aeb92b78c3fc2d0b8b33b47b 100644 (file)
--- a/src/sds.h
+++ b/src/sds.h
@@ -42,6 +42,16 @@ struct sdshdr {
     char buf[];
 };
 
+static inline size_t sdslen(const sds s) {
+    struct sdshdr *sh = (void*)(s-(sizeof(struct sdshdr)));
+    return sh->len;
+}
+
+static inline size_t sdsavail(const sds s) {
+    struct sdshdr *sh = (void*)(s-(sizeof(struct sdshdr)));
+    return sh->free;
+}
+
 sds sdsnewlen(const void *init, size_t initlen);
 sds sdsnew(const char *init);
 sds sdsempty();