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Improve error reporting in resizewin(1).

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Reviewed by:	cem (earlier version)
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D10624
This commit is contained in:
Edward Tomasz Napierala 2017-05-07 09:19:42 +00:00
parent 5ffea91ec5
commit 46f44afb63
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=317901
1 changed files with 4 additions and 4 deletions
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8
usr.bin/resizewin/resizewin.c
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@ -31,6 +31,7 @@
__FBSDID("$FreeBSD$");
#include <sys/ioctl.h>
#include <sys/time.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@ -87,8 +88,7 @@ main(__unused int argc, __unused char **argv)
gettimeofday(&now, NULL);
timersub(&now, &then, &now);
if (now.tv_sec >= 2) {
fprintf(stderr, "\n\n\nTimeout reading from terminal\n");
fprintf(stderr, "Read %d bytes, %s\n", cnt, data);
warnx("timeout reading from terminal");
err = 1;
goto out;
}
@ -104,7 +104,7 @@ main(__unused int argc, __unused char **argv)
cnt++;
if (cnt == sizeof(data) - 2) {
fprintf(stderr, "Response too long\n");
warnx("response too long");
err = 1;
goto out;
}
@ -113,7 +113,7 @@ main(__unused int argc, __unused char **argv)
/* Parse */
if (sscanf(data, "\033[%hu;%huR", &w.ws_row, &w.ws_col) != 2) {
err = 1;
fprintf(stderr, "Unable to parse response\n");
warnx("unable to parse response");
goto out;
}