diff options
Diffstat (limited to 'zutil.c')
| -rw-r--r-- | zutil.c | 83 |
1 files changed, 83 insertions, 0 deletions
| @@ -7,7 +7,9 @@ | |||
| 7 | 7 | ||
| 8 | #include "zutil.h" | 8 | #include "zutil.h" |
| 9 | 9 | ||
| 10 | #ifndef NO_DUMMY_DECL | ||
| 10 | struct internal_state {int dummy;}; /* for buggy compilers */ | 11 | struct internal_state {int dummy;}; /* for buggy compilers */ |
| 12 | #endif | ||
| 11 | 13 | ||
| 12 | #ifndef STDC | 14 | #ifndef STDC |
| 13 | extern void exit OF((int)); | 15 | extern void exit OF((int)); |
| @@ -31,6 +33,83 @@ const char * ZEXPORT zlibVersion() | |||
| 31 | return ZLIB_VERSION; | 33 | return ZLIB_VERSION; |
| 32 | } | 34 | } |
| 33 | 35 | ||
| 36 | uLong ZEXPORT zlibCompileFlags() | ||
| 37 | { | ||
| 38 | uLong flags; | ||
| 39 | |||
| 40 | flags = 0; | ||
| 41 | switch (sizeof(uInt)) { | ||
| 42 | case 2: break; | ||
| 43 | case 4: flags += 1; break; | ||
| 44 | case 8: flags += 2; break; | ||
| 45 | default: flags += 3; | ||
| 46 | } | ||
| 47 | switch (sizeof(uLong)) { | ||
| 48 | case 2: break; | ||
| 49 | case 4: flags += 1 << 2; break; | ||
| 50 | case 8: flags += 2 << 2; break; | ||
| 51 | default: flags += 3 << 2; | ||
| 52 | } | ||
| 53 | switch (sizeof(voidpf)) { | ||
| 54 | case 2: break; | ||
| 55 | case 4: flags += 1 << 4; break; | ||
| 56 | case 8: flags += 2 << 4; break; | ||
| 57 | default: flags += 3 << 4; | ||
| 58 | } | ||
| 59 | switch (sizeof(z_off_t)) { | ||
| 60 | case 2: break; | ||
| 61 | case 4: flags += 1 << 6; break; | ||
| 62 | case 8: flags += 2 << 6; break; | ||
| 63 | default: flags += 3 << 6; | ||
| 64 | } | ||
| 65 | #ifdef DEBUG | ||
| 66 | flags += 1 << 8; | ||
| 67 | #endif | ||
| 68 | #ifdef BUILDFIXED | ||
| 69 | flags += 1 << 12; | ||
| 70 | #endif | ||
| 71 | #ifdef DYNAMIC_CRC_TABLE | ||
| 72 | flags += 1 << 13; | ||
| 73 | #endif | ||
| 74 | #ifdef NO_DEFLATE | ||
| 75 | flags += 1 << 16; | ||
| 76 | #endif | ||
| 77 | #ifdef NO_GUNZIP | ||
| 78 | flags += 1 << 17; | ||
| 79 | #endif | ||
| 80 | #ifdef PKZIP_BUG_WORKAROUND | ||
| 81 | flags += 1 << 20; | ||
| 82 | #endif | ||
| 83 | #ifdef FASTEST | ||
| 84 | flags += 1 << 21; | ||
| 85 | #endif | ||
| 86 | #ifdef STDC | ||
| 87 | # ifdef NO_vsnprintf | ||
| 88 | flags += 1 << 25; | ||
| 89 | # ifdef HAS_vsprintf_void | ||
| 90 | flags += 1 << 26; | ||
| 91 | # endif | ||
| 92 | # else | ||
| 93 | # ifdef HAS_vsnprintf_void | ||
| 94 | flags += 1 << 26; | ||
| 95 | # endif | ||
| 96 | # endif | ||
| 97 | #else | ||
| 98 | flags += 1 << 24; | ||
| 99 | # ifdef NO_snprintf | ||
| 100 | flags += 1 << 25; | ||
| 101 | # ifdef HAS_sprintf_void | ||
| 102 | flags += 1 << 26; | ||
| 103 | # endif | ||
| 104 | # else | ||
| 105 | # ifdef HAS_snprintf_void | ||
| 106 | flags += 1 << 26; | ||
| 107 | # endif | ||
| 108 | # endif | ||
| 109 | #endif | ||
| 110 | return flags; | ||
| 111 | } | ||
| 112 | |||
| 34 | #ifdef DEBUG | 113 | #ifdef DEBUG |
| 35 | 114 | ||
| 36 | # ifndef verbose | 115 | # ifndef verbose |
| @@ -55,6 +134,10 @@ const char * ZEXPORT zError(err) | |||
| 55 | return ERR_MSG(err); | 134 | return ERR_MSG(err); |
| 56 | } | 135 | } |
| 57 | 136 | ||
| 137 | #if defined(_WIN32_WCE) | ||
| 138 | /* does not exist on WCE */ | ||
| 139 | int errno = 0; | ||
| 140 | #endif | ||
| 58 | 141 | ||
| 59 | #ifndef HAVE_MEMCPY | 142 | #ifndef HAVE_MEMCPY |
| 60 | 143 | ||