example: silence MSVS 2013 C4127 warnings (#828)

example/direct_tcpip.c

@@ -256,7 +256,7 @@ int main(int argc, char *argv[])
     /* Must use non-blocking IO hereafter due to the current libssh2 API */
     libssh2_session_set_blocking(session, 0);
 
-    while(1) {
+    for(;;) {
         FD_ZERO(&fds);
         FD_SET(forwardsock, &fds);
         tv.tv_sec = 0;
@@ -290,7 +290,7 @@ int main(int argc, char *argv[])
                 wr += i;
             }
         }
-        while(1) {
+        for(;;) {
             len = libssh2_channel_read(channel, buf, sizeof(buf));
             if(LIBSSH2_ERROR_EAGAIN == len)
                 break;

example/scp_write.c

@@ -36,6 +36,10 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#pragma warning(disable:4127)
+#endif
+
 int main(int argc, char *argv[])
 {
     unsigned long hostaddr;

example/sftp.c

@@ -42,6 +42,9 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#pragma warning(disable:4127)
+#endif
 
 const char *keyfile1 = "~/.ssh/id_rsa.pub";
 const char *keyfile2 = "~/.ssh/id_rsa";

example/sftp_RW_nonblock.c

@@ -39,6 +39,10 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#pragma warning(disable:4127)
+#endif
+
 #define STORAGE "/tmp/sftp-storage" /* this is the local file name this
                                        example uses to store the downloaded
                                        file in */

example/sftp_nonblock.c

@@ -45,6 +45,10 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#pragma warning(disable:4127)
+#endif
+
 #ifdef HAVE_GETTIMEOFDAY
 /* diff in ms */
 static long tvdiff(struct timeval newer, struct timeval older)

example/sftpdir.c

@@ -42,6 +42,10 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#pragma warning(disable:4127)
+#endif
+
 #ifdef WIN32
 #define __FILESIZE "I64u"
 #else

example/sftpdir_nonblock.c

@@ -42,6 +42,10 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#pragma warning(disable:4127)
+#endif
+
 #ifdef WIN32
 #define __FILESIZE "I64u"
 #else

example/ssh2_agent.c

@@ -150,7 +150,7 @@ int main(int argc, char *argv[])
         rc = 1;
         goto shutdown;
     }
-    while(1) {
+    for(;;) {
         rc = libssh2_agent_get_identity(agent, &identity, prev_identity);
         if(rc == 1)
             break;

example/ssh2_agent_forwarding.c

@@ -164,7 +164,7 @@ int main(int argc, char *argv[])
         rc = 1;
         goto shutdown;
     }
-    while(1) {
+    for(;;) {
         rc = libssh2_agent_get_identity(agent, &identity, prev_identity);
         if(rc == 1)
             break;

example/tcpip-forward.c

@@ -246,7 +246,7 @@ int main(int argc, char *argv[])
     /* Must use non-blocking IO hereafter due to the current libssh2 API */
     libssh2_session_set_blocking(session, 0);
 
-    while(1) {
+    for(;;) {
         FD_ZERO(&fds);
         FD_SET(forwardsock, &fds);
         tv.tv_sec = 0;
@@ -277,7 +277,7 @@ int main(int argc, char *argv[])
                 wr += i;
             } while(i > 0 && wr < len);
         }
-        while(1) {
+        for(;;) {
             len = libssh2_channel_read(channel, buf, sizeof(buf));
             if(LIBSSH2_ERROR_EAGAIN == len)
                 break;

example/x11.c

@@ -389,7 +389,7 @@ main (int argc, char *argv[])
     memset(&w_size, 0, sizeof(struct winsize));
     memset(&w_size_bck, 0, sizeof(struct winsize));
 
-    while(1) {
+    for(;;) {
 
         FD_ZERO(&set);
         FD_SET(fileno(stdin), &set);