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Support both "-" and "/dev/stdout" as references to standard

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output.  Add comments about what POSIX says regarding stdout.
Also add comments about what POSIX says regarding file mode.
---
This commit is contained in:
apb 2013-01-28 19:50:30 +00:00
parent 03a5ccc3bd
commit 325671c8e2
1 changed files with 19 additions and 5 deletions
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24
usr.bin/uudecode/uudecode.c
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@ -1,4 +1,4 @@
/* $NetBSD: uudecode.c,v 1.27 2013/01/28 16:06:42 apb Exp $ */
/* $NetBSD: uudecode.c,v 1.28 2013/01/28 19:50:30 apb Exp $ */
/*-
* Copyright (c) 1983, 1993
@ -40,7 +40,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1993\
#if 0
static char sccsid[] = "@(#)uudecode.c 8.2 (Berkeley) 4/2/94";
#endif
__RCSID("$NetBSD: uudecode.c,v 1.27 2013/01/28 16:06:42 apb Exp $");
__RCSID("$NetBSD: uudecode.c,v 1.28 2013/01/28 19:50:30 apb Exp $");
#endif /* not lint */
/*
@ -200,10 +200,24 @@ decode(char *outputname)
fn = buf;
}
if (strcmp(fn, "/dev/stdout") == 0) {
/* use stdout */
if (strcmp(fn, "/dev/stdout") == 0 || strcmp(fn, "-") == 0) {
/*
* POSIX.1-2008 says that both "-" and "/dev/stdout"
* refer to standard output when they appear in the file
* header, but only "/dev/stdout" refers to standard
* output when it appears as the argument to the "-o"
* command line option.
*
* We handle both special names, regardless of whether
* they came from the "-o" option or from the header of
* the input stream.
*/
} else {
/* create output file, set mode */
/*
* Create output file, and set its mode. POSIX.1-2008
* requires the mode to be used exactly, ignoring the
* umask and anything else, but we mask it with 0666.
*/
if (freopen(fn, "w", stdout) == NULL ||
fchmod(fileno(stdout), mode & 0666) != 0) {
warn("%s: %s", fn, inputname);