Last change
on this file since 3642 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:
1.1 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Utility routines.
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4 | *
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5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@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 | #include "libbb.h"
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11 |
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12 | FILE* FAST_FUNC fopen_or_warn(const char *path, const char *mode)
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13 | {
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14 | FILE *fp = fopen(path, mode);
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15 | if (!fp) {
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16 | bb_simple_perror_msg(path);
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17 | //errno = 0; /* why? */
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18 | }
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19 | return fp;
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20 | }
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21 |
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22 | FILE* FAST_FUNC fopen_for_read(const char *path)
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23 | {
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24 | return fopen(path, "r");
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25 | }
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26 |
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27 | FILE* FAST_FUNC xfopen_for_read(const char *path)
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28 | {
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29 | return xfopen(path, "r");
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30 | }
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31 |
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32 | FILE* FAST_FUNC fopen_for_write(const char *path)
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33 | {
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34 | return fopen(path, "w");
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35 | }
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36 |
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37 | FILE* FAST_FUNC xfopen_for_write(const char *path)
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38 | {
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39 | return xfopen(path, "w");
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40 | }
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41 |
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42 | static FILE* xfdopen_helper(unsigned fd_and_rw_bit)
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43 | {
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44 | FILE* fp = fdopen(fd_and_rw_bit >> 1, fd_and_rw_bit & 1 ? "w" : "r");
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45 | if (!fp)
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46 | bb_error_msg_and_die(bb_msg_memory_exhausted);
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47 | return fp;
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48 | }
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49 | FILE* FAST_FUNC xfdopen_for_read(int fd)
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50 | {
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51 | return xfdopen_helper(fd << 1);
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52 | }
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53 | FILE* FAST_FUNC xfdopen_for_write(int fd)
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54 | {
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55 | return xfdopen_helper((fd << 1) + 1);
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56 | }
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