mandoc: Some broken terminal emulators (e.g.

mandoc: Some broken terminal emulators (e.g.

[schwarze]

Log Message:
-----------
Some broken terminal emulators (e.g. sakura) do the equivalent 
of "stty cols 0".  Ignore that insanity rather than setting 
conf.output.width to an invalid value and embarking on infinite loops.
Issue reported by Jesper Wallin <jesper at ifconfig dot se>, thanks!

Modified Files:
--------------
    mandoc:
        main.c

Revision Data
-------------
Index: main.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/main.c,v
retrieving revision 1.305
retrieving revision 1.306
diff -Lmain.c -Lmain.c -u -p -r1.305 -r1.306
--- main.c
+++ main.c
@@ -321,7 +321,8 @@ main(int argc, char *argv[])
 
 	if (use_pager &&
 	    (conf.output.width == 0 || conf.output.indent == 0) &&
-	    ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1) {
+	    ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
+	    ws.ws_col > 1) {
 		if (conf.output.width == 0 && ws.ws_col < 79)
 			conf.output.width = ws.ws_col - 1;
 		if (conf.output.indent == 0 && ws.ws_col < 66)
--
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