X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=unix%2Fuxagentc.c;h=9f579cd9488bda6efc085b30b4d6dcc65c413e12;hb=3e22c99c9a3c28e042f2dc3a50fadf95e7c277e7;hp=7b737d1d5ab7c4ecd592109ba86a92fe3c2a1cfb;hpb=fd6d9bd677cbb2a1a56060d118f4d56b61c82244;p=PuTTY.git

diff --git a/unix/uxagentc.c b/unix/uxagentc.c
index 7b737d1d..9f579cd9 100644
--- a/unix/uxagentc.c
+++ b/unix/uxagentc.c
@@ -17,7 +17,8 @@
 
 int agent_exists(void)
 {
-    if (getenv("SSH_AUTH_SOCK") != NULL)
+    const char *p = getenv("SSH_AUTH_SOCK");
+    if (p && *p)
 	return TRUE;
     return FALSE;
 }
@@ -122,7 +123,7 @@ int agent_query(void *in, int inlen, void **out, int *outlen,
 	exit(1);
     }
 
-    fcntl(sock, F_SETFD, FD_CLOEXEC);
+    cloexec(sock);
 
     addr.sun_family = AF_UNIX;
     strncpy(addr.sun_path, name, sizeof(addr.sun_path));