mirror of
https://github.com/sheumann/hush.git
synced 2024-12-23 05:29:58 +00:00
defc1ea340
text data bss dec hex filename 808035 611 6868 815514 c719a busybox_old 804472 611 6868 811951 c63af busybox_unstripped
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* wfopen_input implementation for busybox
|
|
*
|
|
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
/* A number of applets need to open a file for reading, where the filename
|
|
* is a command line arg. Since often that arg is '-' (meaning stdin),
|
|
* we avoid testing everywhere by consolidating things in this routine.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
FILE* FAST_FUNC fopen_or_warn_stdin(const char *filename)
|
|
{
|
|
FILE *fp = stdin;
|
|
|
|
if (filename != bb_msg_standard_input
|
|
&& NOT_LONE_DASH(filename)
|
|
) {
|
|
fp = fopen_or_warn(filename, "r");
|
|
}
|
|
return fp;
|
|
}
|
|
|
|
FILE* FAST_FUNC xfopen_stdin(const char *filename)
|
|
{
|
|
FILE *fp = fopen_or_warn_stdin(filename);
|
|
if (fp)
|
|
return fp;
|
|
xfunc_die(); /* We already output an error message. */
|
|
}
|
|
|
|
int FAST_FUNC open_or_warn_stdin(const char *filename)
|
|
{
|
|
int fd = STDIN_FILENO;
|
|
|
|
if (filename != bb_msg_standard_input
|
|
&& NOT_LONE_DASH(filename)
|
|
) {
|
|
fd = open_or_warn(filename, O_RDONLY);
|
|
}
|
|
|
|
return fd;
|
|
}
|