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Update tcp_server.c

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Fixed a stackover flow bug.
This commit is contained in:
David Lin
2020-04-12 11:12:24 +08:00
committed by GitHub
parent 8832a6477f
commit 23313e8567
1 changed files with 8 additions and 4 deletions
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6
examples/tcp_udp_base_lwip/tcp_server/tcp_server.c
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@@ -48,8 +48,13 @@ void application_entry(void *arg)
} }
n = recv(connfd, buff, sizeof(buff), 0); n = recv(connfd, buff, sizeof(buff), 0);
if(n > 0) {
buff[n] = '\0'; buff[n] = '\0';
printf("recv(%d) msg from client:%s\n", ++cnt, buff); printf("recv(%d) msg from client:%s\n", ++cnt, buff);
} else {
printf("recv err(%d)\n", n);
}
if ((send(connfd, buff, strlen(buff), 0)) < 0) { if ((send(connfd, buff, strlen(buff), 0)) < 0) {
printf("send msg error: %s errno : %d\n", strerror(errno), errno); printf("send msg error: %s errno : %d\n", strerror(errno), errno);
break; break;
@@ -59,4 +64,3 @@ void application_entry(void *arg)
close(listenfd); close(listenfd);
} }