Removed unneeded errno reset

Grzegorz Jabłoński
1 parent 0fa57cc3
Showing 1 changed file with 1 additions and 6 deletions
epoll4.c
@@ -138,14 +138,13 @@ void server_run() {
       } else if (events[i].events & EPOLLIN) {
         /* handle EPOLLIN event */
         for (;;) {
-          bzero(buf, sizeof(buf));
-          errno = 0;
           n = read(events[i].data.fd, buf, sizeof(buf) - 1);
           if (n == -1 && ((errno == EAGAIN) || (errno == EWOULDBLOCK))) {
             break;
           } else if (n == 0) {
             break;
           } else {
+            buf[n] = '\0';
             printf("[+] data: %s\n", buf);
             n = 0;
             while (n != strlen(buf)) {
@@ -199,7 +198,6 @@ void client_run() {
     n = 0;
     while (n != c) {
-      errno = 0;
       int rv = send(sockfd, buf + n, c - n, MSG_NOSIGNAL);
       if (rv == -1 && (errno == EINTR))
         continue;
@@ -208,11 +206,8 @@ void client_run() {
       n += rv;
     }
-    errno = 0;
-
     n = 0;
     while (n != c) {
-      errno = 0;
       int rv = read(sockfd, buf + n, c - n);
       if (rv == -1 && (errno == EINTR))
         continue;