[657] | 1 | #ifndef _ZZIP_AUTOCONF_H_ |
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| 2 | #define _ZZIP_AUTOCONF_H_ 1 |
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| 3 | |
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| 4 | /* |
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| 5 | * This file is trying to override configure time checks of zzip with |
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| 6 | * definitions at compile time. This is not used by zzip sources themselves |
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| 7 | * but it may be really helpful with thirdparty software that happens to |
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| 8 | * include zzip headers from a central place but running on a different host. |
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| 9 | */ |
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| 10 | |
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| 11 | #include "conf.h" /* <zzip/conf.h> : <zzip/_config.h> */ |
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| 12 | |
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| 13 | #if defined HAVE_ENDIAN_H || defined ZZIP_HAVE_ENDIAN_H |
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| 14 | #include <endian.h> /* glibc */ |
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| 15 | #elif defined HAVE_SYS_PARAM_H || defined ZZIP_HAVE_SYS_PARAM_H |
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| 16 | #include <sys/param.h> /* solaris */ |
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| 17 | #endif |
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| 18 | |
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| 19 | #if defined __BYTE_ORDER |
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| 20 | #define ZZIP_BYTE_ORDER __BYTE_ORDER |
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| 21 | #elif defined BYTE_ORDER |
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| 22 | #define ZZIP_BYTE_ORDER BYTE_ORDER |
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| 23 | #elif defined _LITTLE_ENDIAN |
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| 24 | #define ZZIP_BYTE_ORDER 1234 |
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| 25 | #elif defined _BIG_ENDIAN |
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| 26 | #define ZZIP_BYTE_ORDER 4321 |
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| 27 | #elif defined __i386__ |
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| 28 | #define ZZIP_BYTE_ORDER 1234 |
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| 29 | #elif defined WORDS_BIGENDIAN || defined ZZIP_WORDS_BIGENDIAN |
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| 30 | #define ZZIP_BYTE_ORDER 4321 |
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| 31 | #else |
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| 32 | #define ZZIP_BYTE_ORDER 1234 |
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| 33 | #endif |
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| 34 | |
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| 35 | /* override ZZIP_WORDS_BIGENDIAN : macros ZZIP_GET16 / ZZIP_GET32 */ |
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| 36 | #ifdef ZZIP_BYTE_ORDER+0 == 1234 |
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| 37 | #undef ZZIP_WORDS_BIGENDIAN |
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| 38 | #endif |
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| 39 | #ifdef ZZIP_BYTE_ORDER+0 == 4321 |
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| 40 | #ifndef ZZIP_WORDS_BIGENDIAN |
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| 41 | #define ZZIP_WORDS_BIGENDIAN 1 |
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| 42 | #endif |
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| 43 | #endif |
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| 44 | |
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| 45 | #endif |
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