Last change
on this file since 3547 was 3320, checked in by Bruno Cornec, 10 years ago |
- Re-add (thanks git BTW) the 2.2.9 branch which had been destroyed in
the move to 3.0
|
-
Property svn:eol-style
set to
native
|
File size:
1.2 KB
|
Rev | Line | |
---|
[3320] | 1 | /* vi: set sw=4 ts=4: */
|
---|
| 2 | /*
|
---|
| 3 | * wfopen_input implementation for busybox
|
---|
| 4 | *
|
---|
| 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
|
---|
| 6 | *
|
---|
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | /* A number of applets need to open a file for reading, where the filename
|
---|
| 11 | * is a command line arg. Since often that arg is '-' (meaning stdin),
|
---|
| 12 | * we avoid testing everywhere by consolidating things in this routine.
|
---|
| 13 | */
|
---|
| 14 |
|
---|
| 15 | #include "libbb.h"
|
---|
| 16 |
|
---|
| 17 | FILE* FAST_FUNC fopen_or_warn_stdin(const char *filename)
|
---|
| 18 | {
|
---|
| 19 | FILE *fp = stdin;
|
---|
| 20 |
|
---|
| 21 | if (filename != bb_msg_standard_input
|
---|
| 22 | && NOT_LONE_DASH(filename)
|
---|
| 23 | ) {
|
---|
| 24 | fp = fopen_or_warn(filename, "r");
|
---|
| 25 | }
|
---|
| 26 | return fp;
|
---|
| 27 | }
|
---|
| 28 |
|
---|
| 29 | FILE* FAST_FUNC xfopen_stdin(const char *filename)
|
---|
| 30 | {
|
---|
| 31 | FILE *fp = fopen_or_warn_stdin(filename);
|
---|
| 32 | if (fp)
|
---|
| 33 | return fp;
|
---|
| 34 | xfunc_die(); /* We already output an error message. */
|
---|
| 35 | }
|
---|
| 36 |
|
---|
| 37 | int FAST_FUNC open_or_warn_stdin(const char *filename)
|
---|
| 38 | {
|
---|
| 39 | int fd = STDIN_FILENO;
|
---|
| 40 |
|
---|
| 41 | if (filename != bb_msg_standard_input
|
---|
| 42 | && NOT_LONE_DASH(filename)
|
---|
| 43 | ) {
|
---|
| 44 | fd = open_or_warn(filename, O_RDONLY);
|
---|
| 45 | }
|
---|
| 46 |
|
---|
| 47 | return fd;
|
---|
| 48 | }
|
---|
| 49 |
|
---|
| 50 | int FAST_FUNC xopen_stdin(const char *filename)
|
---|
| 51 | {
|
---|
| 52 | int fd = open_or_warn_stdin(filename);
|
---|
| 53 | if (fd >= 0)
|
---|
| 54 | return fd;
|
---|
| 55 | xfunc_die(); /* We already output an error message. */
|
---|
| 56 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.