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Cosmetic fix: don't exit without completing the progress bar, either on 

write error or by receiving SIGPIPE. This avoids leaving the tty in a
mess. Probably addresses PR 30287.
This commit is contained in:
dholland 2008-05-26 04:53:11 +00:00
parent f44fdd6c17
commit 89a35a0e0a
1 changed files with 17 additions and 3 deletions
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20
usr.bin/progress/progress.c
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@ -1,4 +1,4 @@
/* $NetBSD: progress.c,v 1.16 2008/04/29 06:53:03 martin Exp $ */
/* $NetBSD: progress.c,v 1.17 2008/05/26 04:53:11 dholland Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: progress.c,v 1.16 2008/04/29 06:53:03 martin Exp $");
__RCSID("$NetBSD: progress.c,v 1.17 2008/05/26 04:53:11 dholland Exp $");
#endif /* not lint */
#include <sys/types.h>
@ -63,9 +63,18 @@ __RCSID("$NetBSD: progress.c,v 1.16 2008/04/29 06:53:03 martin Exp $");
* declared */
#include "progressbar.h"
static void broken_pipe(int unused);
static void usage(void);
int main(int, char *[]);
static void
broken_pipe(int unused)
{
signal(SIGPIPE, SIG_DFL);
progressmeter(1);
kill(getpid(), SIGPIPE);
}
static void
usage(void)
{
@ -226,13 +235,17 @@ main(int argc, char *argv[])
}
close(outpipe[0]);
signal(SIGPIPE, broken_pipe);
progressmeter(-1);
while ((nr = read(fd, fb_buf, buffersize)) > 0)
for (off = 0; nr; nr -= nw, off += nw, bytes += nw)
if ((nw = write(outpipe[1], fb_buf + off,
(size_t) nr)) < 0)
(size_t) nr)) < 0) {
progressmeter(1);
err(1, "writing %u bytes to output pipe",
(unsigned) nr);
}
close(outpipe[1]);
gzipstat = 0;
@ -263,6 +276,7 @@ main(int argc, char *argv[])
}
progressmeter(1);
signal(SIGPIPE, SIG_DFL);
free(fb_buf);