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netutils/netcat: fixed ISO C89/C90 related warnings:

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warning: ISO C90 forbids variable length array ‘buf’ [-Wvla]
warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
This commit is contained in:
Alexander Lunev 2022-01-20 23:24:18 +03:00 committed by Xiang Xiao
parent 8f1948038e
commit 5a697c18ba
1 changed files with 12 additions and 7 deletions
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19
netutils/netcat/netcat_main.c
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@ -44,18 +44,23 @@
# define NETCAT_PORT 31337
#endif
#ifndef NETCAT_IOBUF_SIZE
# define NETCAT_IOBUF_SIZE 256
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
int do_io(int infd, int outfd)
{
size_t capacity = 256;
char buf[capacity];
ssize_t avail;
ssize_t written;
char buf[NETCAT_IOBUF_SIZE];
while (true)
{
ssize_t avail = read(infd, buf, capacity);
avail = read(infd, buf, NETCAT_IOBUF_SIZE);
if (avail == 0)
{
break;
@ -67,7 +72,7 @@ int do_io(int infd, int outfd)
return 5;
}
ssize_t written = write(outfd, buf, avail);
written = write(outfd, buf, avail);
if (written == -1)
{
perror("do_io: write error");
@ -113,6 +118,8 @@ int netcat_server(int argc, char * argv[])
struct sockaddr_in client;
int port = NETCAT_PORT;
int result = EXIT_SUCCESS;
int conn;
socklen_t addrlen;
if ((1 < argc) && (0 == strcmp("-l", argv[1])))
{
@ -160,8 +167,6 @@ int netcat_server(int argc, char * argv[])
goto out;
}
socklen_t addrlen;
int conn;
if ((conn = accept(id, (struct sockaddr *)&client, &addrlen)) != -1)
{
result = do_io(conn, outfd);
@ -195,6 +200,7 @@ int netcat_client(int argc, char * argv[])
char *host = "127.0.0.1";
int port = NETCAT_PORT;
int result = EXIT_SUCCESS;
struct sockaddr_in server;
#ifdef CONFIG_NETUTILS_NETCAT_SENDFILE
struct stat stat_buf;
#endif
@ -239,7 +245,6 @@ int netcat_client(int argc, char * argv[])
goto out;
}
struct sockaddr_in server;
server.sin_family = AF_INET;
server.sin_port = htons(port);
if (1 != inet_pton(AF_INET, host, &server.sin_addr))