Add API to free hiredis (sds) formattings

External callers may not know about sdsfree, so let's
give them an easy way to know how to free their sds result.

2 files changed, 5 insertions, 0 deletions

diff --git a/hiredis.c b/hiredis.c
index 34198fc..3a70e1d 100644
--- a/hiredis.c
+++ b/hiredis.c
@@ -984,6 +984,10 @@ int redisFormatSdsCommandArgv(sds *target, int argc, const char **argv,
     return totlen;
 }
 
+void redisFreeSdsCommand(sds cmd) {
+    sdsfree(cmd);
+}
+
 /* Format a command according to the Redis protocol. This function takes the
  * number of arguments, an array with arguments and an array with their
  * lengths. If the latter is set to NULL, strlen will be used to compute the
diff --git a/hiredis.h b/hiredis.h
index c9f4a00..114b9ae 100644
--- a/hiredis.h
+++ b/hiredis.h
@@ -171,6 +171,7 @@ int redisFormatCommand(char **target, const char *format, ...);
 int redisFormatCommandArgv(char **target, int argc, const char **argv, const size_t *argvlen);
 int redisFormatSdsCommandArgv(sds *target, int argc, const char ** argv, const size_t *argvlen);
 void redisFreeCommand(char *cmd);
+void redisFreeSdsCommand(sds cmd);
 
 /* Context for a connection to Redis */
 typedef struct redisContext {