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Add missing check for error returns from read(). Found by inspection 

while reviewing the changes suggested by RVP in PR install/56303, but
not believed to be the cause of the failure reported in that PR.
This commit is contained in:
gson 2021-08-17 07:18:43 +00:00
parent d4874532f6
commit e1d1003b4c
1 changed files with 7 additions and 3 deletions
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10
usr.bin/progress/progress.c
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@ -1,4 +1,4 @@
/* $NetBSD: progress.c,v 1.24 2021/08/09 10:46:39 gson Exp $ */
/* $NetBSD: progress.c,v 1.25 2021/08/17 07:18:43 gson Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: progress.c,v 1.24 2021/08/09 10:46:39 gson Exp $");
__RCSID("$NetBSD: progress.c,v 1.25 2021/08/17 07:18:43 gson Exp $");
#endif /* not lint */
#include <sys/types.h>
@ -231,7 +231,11 @@ main(int argc, char *argv[])
do {
nr = read(fd, fb_buf, buffersize);
} while (nr < 0 && errno == EINTR);
if (nr <= 0)
if (nr < 0) {
progressmeter(1);
err(1, "reading input");
}
if (nr == 0)
break;
for (off = 0; nr; nr -= nw, off += nw, bytes += nw)
if ((nw = write(outpipe[1], fb_buf + off,