Last change
on this file since 2897 was 2725, checked in by Bruno Cornec, 14 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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File size:
1.2 KB
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Rev | Line | |
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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * wfopen_input implementation for busybox
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| 4 | *
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| 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
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| 6 | *
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[2725] | 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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[821] | 8 | */
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| 9 |
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| 10 | /* A number of applets need to open a file for reading, where the filename
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| 11 | * is a command line arg. Since often that arg is '-' (meaning stdin),
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| 12 | * we avoid testing everywhere by consolidating things in this routine.
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| 13 | */
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| 14 |
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[1765] | 15 | #include "libbb.h"
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[821] | 16 |
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[2725] | 17 | FILE* FAST_FUNC fopen_or_warn_stdin(const char *filename)
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[821] | 18 | {
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| 19 | FILE *fp = stdin;
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| 20 |
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[1765] | 21 | if (filename != bb_msg_standard_input
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| 22 | && NOT_LONE_DASH(filename)
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[821] | 23 | ) {
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[1765] | 24 | fp = fopen_or_warn(filename, "r");
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[821] | 25 | }
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| 26 | return fp;
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| 27 | }
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[2725] | 28 |
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| 29 | FILE* FAST_FUNC xfopen_stdin(const char *filename)
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| 30 | {
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| 31 | FILE *fp = fopen_or_warn_stdin(filename);
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| 32 | if (fp)
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| 33 | return fp;
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| 34 | xfunc_die(); /* We already output an error message. */
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| 35 | }
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| 36 |
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| 37 | int FAST_FUNC open_or_warn_stdin(const char *filename)
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| 38 | {
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| 39 | int fd = STDIN_FILENO;
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| 40 |
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| 41 | if (filename != bb_msg_standard_input
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| 42 | && NOT_LONE_DASH(filename)
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| 43 | ) {
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| 44 | fd = open_or_warn(filename, O_RDONLY);
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| 45 | }
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| 46 |
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| 47 | return fd;
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| 48 | }
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| 49 |
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| 50 | int FAST_FUNC xopen_stdin(const char *filename)
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| 51 | {
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| 52 | int fd = open_or_warn_stdin(filename);
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| 53 | if (fd >= 0)
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| 54 | return fd;
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| 55 | xfunc_die(); /* We already output an error message. */
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| 56 | }
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