Fixed infinite loop when controlling terminal was lost

and return value of input function wasn't checked for
errors. This would cause 100% cpu to be taken up.

(closes issue #9654, issue #10010)
Reported by: mnicholson, and eserra

Idea for the patch from mnicholson, patched by me



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@71064 65c4cc65-6c06-0410-ace0-fbb531ad65f3

asterisk.c

@@ -1816,6 +1816,9 @@ static void ast_remotecontrol(char * data)
 	for(;;) {
 		ebuf = (char *)el_gets(el, &num);
 
+		if (!ebuf)
+			break;
+
 		if (!ast_strlen_zero(ebuf)) {
 			if (ebuf[strlen(ebuf)-1] == '\n')
 				ebuf[strlen(ebuf)-1] = '\0';
@@ -2457,12 +2460,15 @@ int main(int argc, char *argv[])
 
 		for (;;) {
 			buf = (char *)el_gets(el, &num);
-			if (buf) {
-				if (buf[strlen(buf)-1] == '\n')
-					buf[strlen(buf)-1] = '\0';
 
-				consolehandler((char *)buf);
-			} else if (option_remote) {
+			if (!buf)
+				break;
+
+			if (buf[strlen(buf)-1] == '\n')
+				buf[strlen(buf)-1] = '\0';
+
+			consolehandler((char *)buf);
+			if (!buf && option_remote) {
 				if (write(STDOUT_FILENO, "\nUse EXIT or QUIT to exit the asterisk console\n",
 					  strlen("\nUse EXIT or QUIT to exit the asterisk console\n")) < 0) {
 					/* Whoa, stdout disappeared from under us... Make /dev/null's */