tests: Use better readable order of arguments in if.

Also simplify strcmp() condition in ifs.

diff --git a/tests/client.c b/tests/client.c
index 9bf13b5b900bd261b3dfa7f61021b8c95a9a0311..f98711fa02ffbf09afbafad2ed6a9577b152984c 100644 (file)
--- a/tests/client.c
+++ b/tests/client.c
@@ -53,7 +53,7 @@ int main (int argc, char *argv[]) {
     const gnutls_datum_t *cert_list;
     unsigned int cert_list_size;
 
-    if (5 != argc) {
+    if (argc != 5) {
         fprintf(stderr,
                 "Usage: %s <ca-file> <hostname> <port> <hostname-verify>\n",
                 argv[0]);
@@ -71,11 +71,11 @@ int main (int argc, char *argv[]) {
     gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
 
     server = connect_to_host("localhost", "4711");
-    if (-1 == server) {
+    if (server == -1) {
         return EXIT_FAILURE;
     }
     fd = fdopen(server, "a+");
-    if (NULL == fd) {
+    if (fd == NULL) {
         perror("fdopen()");
         return EXIT_FAILURE;
     }
@@ -84,19 +84,19 @@ int main (int argc, char *argv[]) {
     fprintf(fd, "CONNECT %s:%s HTTP/1.0\r\n", argv[2], argv[3]);
     fprintf(fd, "\r\n");
     fflush(fd);
-    if (-1 == read_http_request(fd, buffer, sizeof(buffer))) {
+    if (read_http_request(fd, buffer, sizeof(buffer)) == -1) {
         fprintf(stderr, "invalid proxy response\n");
         return EXIT_FAILURE;
     }
 
     printf("response: %s\n", buffer);
 
-    if (1 != sscanf(buffer, "HTTP/1.0 %d", &response)) {
+    if (sscanf(buffer, "HTTP/1.0 %d", &response) != 1) {
         fprintf(stderr, "invalid proxy response: %s\n", buffer);
         return EXIT_FAILURE;
     }
 
-    if (200 != response) {
+    if (response != 200) {
         fprintf(stderr, "proxy failure\n");
         return EXIT_FAILURE;
     }
@@ -104,7 +104,7 @@ int main (int argc, char *argv[]) {
     gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t)server);
 
     result = gnutls_handshake(session);
-    if (GNUTLS_E_SUCCESS != result) {
+    if (result != GNUTLS_E_SUCCESS) {
         fprintf(stderr, "gnutls_handshake() failed\n");
         gnutls_perror(result);
         return EXIT_FAILURE;
@@ -112,7 +112,7 @@ int main (int argc, char *argv[]) {
 
     /* Verify the proxy certificate. */
     result = gnutls_certificate_verify_peers2(session, &status);
-    if (0 > result) {
+    if (result < 0) {
         fprintf(stderr, "gnutls_certificate_verify_peers2() failed\n");
         gnutls_perror(result);
         return EXIT_FAILURE;
@@ -123,20 +123,20 @@ int main (int argc, char *argv[]) {
     }
 
     /* Get proxy certificate. */
-    if (0 > (result = gnutls_x509_crt_init(&cert))) {
+    if ((result = gnutls_x509_crt_init(&cert)) < 0) {
         fprintf(stderr, "gnutls_x509_crt_init() failed");
         gnutls_perror(result);
         return EXIT_FAILURE;
     }
 
     cert_list = gnutls_certificate_get_peers(session, &cert_list_size);
-    if (NULL == cert_list) {
+    if (cert_list == NULL) {
         fprintf(stderr, "gnutls_certificate_get_peers() failed");
         return EXIT_FAILURE;
     }
 
-    if (0 > (result = gnutls_x509_crt_import(cert, &cert_list[0],
-                                             GNUTLS_X509_FMT_DER))) {
+    if ((result = gnutls_x509_crt_import(cert, &cert_list[0],
+                                         GNUTLS_X509_FMT_DER)) < 0) {
         fprintf(stderr, "gnutls_x509_crt_import() failed");
         gnutls_perror(result);
         return EXIT_FAILURE;
@@ -171,7 +171,7 @@ static int connect_to_host(const char *hostname, const char *port) {
     int server_socket;
     struct addrinfo *server;
 
-    if (NULL == hostname || NULL == port) {
+    if (hostname == NULL || port == NULL) {
         return -1;
     }
 
@@ -184,24 +184,23 @@ static int connect_to_host(const char *hostname, const char *port) {
                           | AI_ADDRCONFIG  /* supported by this computer */
                           | AI_V4MAPPED;   /* support IPv4 through IPv6 */
     gai_return = getaddrinfo(hostname, port, &gai_hints, &gai_result);
-    if (0 != gai_return) {
+    if (gai_return != 0) {
         perror("connect_to_host(): getaddrinfo()");
         return -1;
     }
 
     /* Now try to connect to each server returned by getaddrinfo(), use the
      * first successful connect. */
-    for (server = gai_result; NULL != server; server = server->ai_next) {
+    for (server = gai_result; server != NULL; server = server->ai_next) {
         server_socket = socket(server->ai_family,
                                server->ai_socktype,
                                server->ai_protocol);
-        if (-1 == server_socket) {
+        if (server_socket == -1) {
             perror("connect_to_host(): socket(), trying next");
             continue;
         }
 
-        if (-1 != connect(server_socket, server->ai_addr,
-                                         server->ai_addrlen)) {
+        if (connect(server_socket, server->ai_addr, server->ai_addrlen) != -1) {
             break;
         }
         perror("connect_to_host(): connect(), trying next");
@@ -211,7 +210,7 @@ static int connect_to_host(const char *hostname, const char *port) {
     /* Make sure we free the result from getaddrinfo(). */
     freeaddrinfo(gai_result);
 
-    if (NULL == server) {
+    if (server == NULL) {
         perror("connect_to_host(): no server found, abort");
         return -1;
     }
@@ -222,7 +221,7 @@ static int connect_to_host(const char *hostname, const char *port) {
 static int read_http_request(FILE *client_fd, char *request, size_t length) {
     char buffer[MAX_REQUEST_LINE];
 
-    if (NULL == fgets(request, (int)length, client_fd)) {
+    if (fgets(request, (int)length, client_fd) == NULL) {
         if (ferror(client_fd)) {
             perror("read_http_request(): fgets()");
             return -1;
@@ -231,9 +230,9 @@ static int read_http_request(FILE *client_fd, char *request, size_t length) {
         return -2;
     }
 
-    while (NULL != fgets(buffer, MAX_REQUEST_LINE, client_fd)) {
+    while (fgets(buffer, MAX_REQUEST_LINE, client_fd) != NULL) {
         /* End of header. */
-        if (0 == strcmp(buffer, "\n") || 0 == strcmp(buffer, "\r\n")) {
+        if (!strcmp(buffer, "\n") || !strcmp(buffer, "\r\n")) {
             break;
         }
     }