Last change
on this file since 3345 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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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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7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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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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15 | #include "libbb.h"
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16 |
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17 | FILE* FAST_FUNC fopen_or_warn_stdin(const char *filename)
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18 | {
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19 | FILE *fp = stdin;
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20 |
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21 | if (filename != bb_msg_standard_input
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22 | && NOT_LONE_DASH(filename)
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23 | ) {
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24 | fp = fopen_or_warn(filename, "r");
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25 | }
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26 | return fp;
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27 | }
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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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