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Indicate file handling failures by exit codes >0; fixes PR/3538 from

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David Eckhardt <davide@piper.nectar.cs.cmu.edu>.
This commit is contained in:
kleink 1997-04-27 18:34:33 +00:00
parent 5b3e1d439a
commit dd33340fea
1 changed files with 8 additions and 3 deletions
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11
bin/cat/cat.c
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@ -1,4 +1,4 @@
/* $NetBSD: cat.c,v 1.12 1997/01/09 16:07:09 tls Exp $ */
/* $NetBSD: cat.c,v 1.13 1997/04/27 18:34:33 kleink Exp $ */
/*
* Copyright (c) 1989, 1993
@ -46,7 +46,7 @@ static char copyright[] =
#if 0
static char sccsid[] = "@(#)cat.c 8.2 (Berkeley) 4/27/95";
#else
static char rcsid[] = "$NetBSD: cat.c,v 1.12 1997/01/09 16:07:09 tls Exp $";
static char rcsid[] = "$NetBSD: cat.c,v 1.13 1997/04/27 18:34:33 kleink Exp $";
#endif
#endif /* not lint */
@ -136,6 +136,7 @@ cook_args(argv)
fp = stdin;
else if ((fp = fopen(*argv, "r")) == NULL) {
warn("%s", *argv);
rval = 1;
++argv;
continue;
}
@ -204,6 +205,7 @@ cook_buf(fp)
}
if (ferror(fp)) {
warn("%s", filename);
rval = 1;
clearerr(fp);
}
if (ferror(stdout))
@ -224,6 +226,7 @@ raw_args(argv)
fd = fileno(stdin);
else if ((fd = open(*argv, O_RDONLY, 0)) < 0) {
warn("%s", *argv);
rval = 1;
++argv;
continue;
}
@ -256,6 +259,8 @@ raw_cat(rfd)
for (off = 0; nr; nr -= nw, off += nw)
if ((nw = write(wfd, buf + off, nr)) < 0)
err(1, "stdout");
if (nr < 0)
if (nr < 0) {
warn("%s", filename);
rval = 1;
}
}