Check library functions for success values.

[tlsproxy/tlsproxy.git] / src / tlsproxy.c

diff --git a/src/tlsproxy.c b/src/tlsproxy.c
index be1789a111a8b6356b9200021e211efe443ed7d5..2d2ea1e2cf44f92759a65f58ae33ef0f68e96938 100644 (file)
--- a/src/tlsproxy.c
+++ b/src/tlsproxy.c
@@ -153,7 +153,7 @@ int main(int argc, char **argv) {
 #else
     server_socket = socket(PF_INET6, SOCK_STREAM, 0);
 #endif
-    if (server_socket == -1) {
+    if (server_socket < 0) {
         perror("socket()");
         return EXIT_FAILURE;
     }
@@ -177,12 +177,12 @@ int main(int argc, char **argv) {
     server_in.sin6_port   = htons((uint16_t)port); /* port to bind to */
 #endif
     if (bind(server_socket, (struct sockaddr *)&server_in,
-                            sizeof(server_in)) == -1) {
+                            sizeof(server_in)) != 0) {
         perror("bind()");
         return EXIT_FAILURE;
     }
     /* And accept connections. */
-    if (listen(server_socket, 5) == -1) {
+    if (listen(server_socket, 5) != 0) {
         perror("listen()");
         return EXIT_FAILURE;
     }
@@ -200,7 +200,7 @@ int main(int argc, char **argv) {
     while (!done) {
         /* Accept new connection. */
         client_socket = accept(server_socket, NULL, NULL);
-        if (client_socket == -1) {
+        if (client_socket < 0) {
             perror("accept()");
             break;
         }