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MacOS X has a defective sed with no -r.
author Rob Landley <rob@landley.net>
date Tue, 13 Feb 2007 16:41:51 -0500
parents 884c03c29f21
children 5f1d3ad8a888
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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1 // Humor glibc to get dprintf, then #define it to something more portable.
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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2 #define _GNU_SOURCE
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3 #include <stdio.h>
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4 #define fdprintf(...) dprintf(__VA_ARGS__)
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6
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7 #ifndef __APPLE__
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8 #include <byteswap.h>
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9 #include <endian.h>
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11 #if __BYTE_ORDER == __BIG_ENDIAN
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12 #define IS_BIG_ENDIAN 1
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13 #else
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14 #define IS_BIG_ENDIAN 0
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15 #endif
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17 #else
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18
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19 #ifdef __BIG_ENDIAN__
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20 #define IS_BIG_ENDIAN 1
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21 #else
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22 #define IS_BIG_ENDIAN 0
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23 #endif
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24
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25 #endif
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27 #if IS_BIG_ENDIAN
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28 #define IS_LITTLE_ENDIAN 0
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29 #define SWAP_BE16(x) (x)
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30 #define SWAP_BE32(x) (x)
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31 #define SWAP_BE64(x) (x)
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32 #define SWAP_LE16(x) bswap_16(x)
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33 #define SWAP_LE32(x) bswap_32(x)
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34 #define SWAP_LE64(x) bswap_64(x)
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35 #else
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36 #define IS_LITTLE_ENDIAN 1
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37 #define SWAP_BE16(x) bswap_16(x)
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38 #define SWAP_BE32(x) bswap_32(x)
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39 #define SWAP_BE64(x) bswap_64(x)
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40 #define SWAP_LE16(x) (x)
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41 #define SWAP_LE32(x) (x)
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42 #define SWAP_LE64(x) (x)
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43 #endif
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45 // Some versions of gcc produce spurious "may be uninitialized" warnings in
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46 // cases where it provably can't happen. Unfortunately, although this warning
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47 // is calculated and produced separately from the "is definitely used
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48 // uninitialized" warnings, there's no way to turn off the broken spurious "may
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49 // be" warnings without also turning off the non-broken "is" warnings.
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51 #if CFG_TOYBOX_DEBUG
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52 #define GCC_BUG =0
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53 #else
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54 #define GCC_BUG
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55 #endif