fix regression in getspnam[_r] error code for insufficient buffer size

[musl] / src / network / getservbyname_r.c

diff --git a/src/network/getservbyname_r.c b/src/network/getservbyname_r.c
index 056c2f3..ad3d616 100644 (file)
--- a/src/network/getservbyname_r.c
+++ b/src/network/getservbyname_r.c
@@ -15,6 +15,8 @@ int getservbyname_r(const char *name, const char *prots,
        struct service servs[MAXSERVS];
        int cnt, proto, align;
 
+       *res = 0;
+
        /* Align buffer */
        align = -(uintptr_t)buf & ALIGN-1;
        if (buflen < 2*sizeof(char *)+align)