sdsrange overflow fix (#830)

Fix overflow bug in `sdsrange`

1 files changed, 2 insertions, 2 deletions

diff --git a/net.h b/net.h
index a4393c0..e28c403 100644
--- a/net.h
+++ b/net.h
@@ -38,8 +38,8 @@
 #include "hiredis.h"
 
 void redisNetClose(redisContext *c);
-int redisNetRead(redisContext *c, char *buf, size_t bufcap);
-int redisNetWrite(redisContext *c);
+ssize_t redisNetRead(redisContext *c, char *buf, size_t bufcap);
+ssize_t redisNetWrite(redisContext *c);
 
 int redisCheckSocketError(redisContext *c);
 int redisContextSetTimeout(redisContext *c, const struct timeval tv);