diff options
Diffstat (limited to 'src/lzo_init.c')
| -rw-r--r-- | src/lzo_init.c | 202 |
1 files changed, 103 insertions, 99 deletions
diff --git a/src/lzo_init.c b/src/lzo_init.c index 2872949..a1d9dd0 100644 --- a/src/lzo_init.c +++ b/src/lzo_init.c @@ -2,22 +2,7 @@ This file is part of the LZO real-time data compression library. - Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or @@ -59,46 +44,35 @@ #if !defined(__LZO_IN_MINILZO) -#define ACC_WANT_ACC_CHK_CH 1 -#undef ACCCHK_ASSERT -#include "miniacc.h" +#define LZO_WANT_ACC_CHK_CH 1 +#undef LZOCHK_ASSERT +#include "lzo_supp.h" - ACCCHK_ASSERT_IS_SIGNED_T(lzo_int) - ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uint) - - ACCCHK_ASSERT_IS_SIGNED_T(lzo_int32) - ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uint32) - ACCCHK_ASSERT((LZO_UINT32_C(1) << (int)(8*sizeof(LZO_UINT32_C(1))-1)) > 0) - ACCCHK_ASSERT(sizeof(lzo_uint32) >= 4) -#if defined(LZO_UINT64_MAX) - ACCCHK_ASSERT(sizeof(lzo_uint64) == 8) - ACCCHK_ASSERT_IS_SIGNED_T(lzo_int64) - ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uint64) -#endif - -#if !defined(__LZO_UINTPTR_T_IS_POINTER) - ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uintptr_t) + LZOCHK_ASSERT((LZO_UINT32_C(1) << (int)(8*sizeof(LZO_UINT32_C(1))-1)) > 0) + LZOCHK_ASSERT_IS_SIGNED_T(lzo_int) + LZOCHK_ASSERT_IS_UNSIGNED_T(lzo_uint) +#if !(__LZO_UINTPTR_T_IS_POINTER) + LZOCHK_ASSERT_IS_UNSIGNED_T(lzo_uintptr_t) #endif - ACCCHK_ASSERT(sizeof(lzo_uintptr_t) >= sizeof(lzo_voidp)) - - ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_xint) - ACCCHK_ASSERT(sizeof(lzo_xint) >= sizeof(lzo_uint32)) - ACCCHK_ASSERT(sizeof(lzo_xint) >= sizeof(lzo_uint)) - ACCCHK_ASSERT(sizeof(lzo_xint) == sizeof(lzo_uint32) || sizeof(lzo_xint) == sizeof(lzo_uint)) + LZOCHK_ASSERT(sizeof(lzo_uintptr_t) >= sizeof(lzo_voidp)) + LZOCHK_ASSERT_IS_UNSIGNED_T(lzo_xint) #endif -#undef ACCCHK_ASSERT +#undef LZOCHK_ASSERT /*********************************************************************** // ************************************************************************/ -#define WANT_lzo_bitops_clz32 1 -#define WANT_lzo_bitops_clz64 1 -#define WANT_lzo_bitops_ctz32 1 -#define WANT_lzo_bitops_ctz64 1 -#include "lzo_func.ch" +union lzo_config_check_union { + lzo_uint a[2]; + unsigned char b[2*LZO_MAX(8,sizeof(lzo_uint))]; +#if defined(lzo_uint64_t) + lzo_uint64_t c[2]; +#endif +}; + #if 0 #define u2p(ptr,off) ((lzo_voidp) (((lzo_bytep)(lzo_voidp)(ptr)) + (off))) @@ -109,76 +83,106 @@ static __lzo_noinline lzo_voidp u2p(lzo_voidp ptr, lzo_uint off) } #endif + LZO_PUBLIC(int) _lzo_config_check(void) { - lzo_bool r = 1; - union { - lzo_xint a[2]; unsigned char b[2*LZO_MAX(8,sizeof(lzo_xint))]; -#if defined(LZO_UNALIGNED_OK_8) - lzo_uint64 c[2]; -#endif - unsigned short x[2]; lzo_uint32 y[2]; lzo_uint z[2]; - } u; +#if (LZO_CC_CLANG && (LZO_CC_CLANG >= 0x030100ul && LZO_CC_CLANG < 0x030300ul)) +# if 0 + /* work around a clang 3.1 and clang 3.2 compiler bug; clang 3.3 and 3.4 work */ + volatile +# endif +#endif + union lzo_config_check_union u; lzo_voidp p; + unsigned r = 1; u.a[0] = u.a[1] = 0; p = u2p(&u, 0); r &= ((* (lzo_bytep) p) == 0); -#if !defined(LZO_CFG_NO_CONFIG_CHECK) -#if defined(LZO_ABI_BIG_ENDIAN) +#if !(LZO_CFG_NO_CONFIG_CHECK) +#if (LZO_ABI_BIG_ENDIAN) u.a[0] = u.a[1] = 0; u.b[sizeof(lzo_uint) - 1] = 128; p = u2p(&u, 0); r &= ((* (lzo_uintp) p) == 128); #endif -#if defined(LZO_ABI_LITTLE_ENDIAN) +#if (LZO_ABI_LITTLE_ENDIAN) u.a[0] = u.a[1] = 0; u.b[0] = 128; p = u2p(&u, 0); r &= ((* (lzo_uintp) p) == 128); #endif -#if defined(LZO_UNALIGNED_OK_2) u.a[0] = u.a[1] = 0; - u.b[0] = 1; u.b[sizeof(unsigned short) + 1] = 2; + u.b[0] = 1; u.b[3] = 2; p = u2p(&u, 1); - r &= ((* (lzo_ushortp) p) == 0); + r &= UA_GET_NE16(p) == 0; + r &= UA_GET_LE16(p) == 0; + u.b[1] = 128; + r &= UA_GET_LE16(p) == 128; + u.b[2] = 129; + r &= UA_GET_LE16(p) == LZO_UINT16_C(0x8180); +#if (LZO_ABI_BIG_ENDIAN) + r &= UA_GET_NE16(p) == LZO_UINT16_C(0x8081); +#endif +#if (LZO_ABI_LITTLE_ENDIAN) + r &= UA_GET_NE16(p) == LZO_UINT16_C(0x8180); #endif -#if defined(LZO_UNALIGNED_OK_4) u.a[0] = u.a[1] = 0; - u.b[0] = 3; u.b[sizeof(lzo_uint32) + 1] = 4; + u.b[0] = 3; u.b[5] = 4; p = u2p(&u, 1); - r &= ((* (lzo_uint32p) p) == 0); -#endif -#if defined(LZO_UNALIGNED_OK_8) + r &= UA_GET_NE32(p) == 0; + r &= UA_GET_LE32(p) == 0; + u.b[1] = 128; + r &= UA_GET_LE32(p) == 128; + u.b[2] = 129; u.b[3] = 130; u.b[4] = 131; + r &= UA_GET_LE32(p) == LZO_UINT32_C(0x83828180); +#if (LZO_ABI_BIG_ENDIAN) + r &= UA_GET_NE32(p) == LZO_UINT32_C(0x80818283); +#endif +#if (LZO_ABI_LITTLE_ENDIAN) + r &= UA_GET_NE32(p) == LZO_UINT32_C(0x83828180); +#endif +#if defined(UA_GET_NE64) u.c[0] = u.c[1] = 0; - u.b[0] = 5; u.b[sizeof(lzo_uint64) + 1] = 6; + u.b[0] = 5; u.b[9] = 6; p = u2p(&u, 1); - r &= ((* (lzo_uint64p) p) == 0); -#endif -#if defined(lzo_bitops_clz32) - { unsigned i; lzo_uint32 v = 1; - for (i = 0; i < 32; i++, v <<= 1) - r &= lzo_bitops_clz32(v) == 31 - i; - } -#endif -#if defined(lzo_bitops_clz64) - { unsigned i; lzo_uint64 v = 1; - for (i = 0; i < 64; i++, v <<= 1) - r &= lzo_bitops_clz64(v) == 63 - i; - } -#endif -#if defined(lzo_bitops_ctz32) - { unsigned i; lzo_uint32 v = 1; - for (i = 0; i < 32; i++, v <<= 1) - r &= lzo_bitops_ctz32(v) == i; - } -#endif -#if defined(lzo_bitops_ctz64) - { unsigned i; lzo_uint64 v = 1; - for (i = 0; i < 64; i++, v <<= 1) - r &= lzo_bitops_ctz64(v) == i; - } -#endif -#endif + u.c[0] = u.c[1] = 0; + r &= UA_GET_NE64(p) == 0; +#if defined(UA_GET_LE64) + r &= UA_GET_LE64(p) == 0; + u.b[1] = 128; + r &= UA_GET_LE64(p) == 128; +#endif +#endif +#if defined(lzo_bitops_ctlz32) + { unsigned i = 0; lzo_uint32_t v; + for (v = 1; v != 0 && r == 1; v <<= 1, i++) { + r &= lzo_bitops_ctlz32(v) == 31 - i; + r &= lzo_bitops_ctlz32_func(v) == 31 - i; + }} +#endif +#if defined(lzo_bitops_ctlz64) + { unsigned i = 0; lzo_uint64_t v; + for (v = 1; v != 0 && r == 1; v <<= 1, i++) { + r &= lzo_bitops_ctlz64(v) == 63 - i; + r &= lzo_bitops_ctlz64_func(v) == 63 - i; + }} +#endif +#if defined(lzo_bitops_cttz32) + { unsigned i = 0; lzo_uint32_t v; + for (v = 1; v != 0 && r == 1; v <<= 1, i++) { + r &= lzo_bitops_cttz32(v) == i; + r &= lzo_bitops_cttz32_func(v) == i; + }} +#endif +#if defined(lzo_bitops_cttz64) + { unsigned i = 0; lzo_uint64_t v; + for (v = 1; v != 0 && r == 1; v <<= 1, i++) { + r &= lzo_bitops_cttz64(v) == i; + r &= lzo_bitops_cttz64_func(v) == i; + }} +#endif +#endif + LZO_UNUSED_FUNC(lzo_bitops_unused_funcs); return r == 1 ? LZO_E_OK : LZO_E_ERROR; } @@ -197,12 +201,12 @@ __lzo_init_v2(unsigned v, int s1, int s2, int s3, int s4, int s5, #if defined(__LZO_IN_MINILZO) #elif (LZO_CC_MSC && ((_MSC_VER) < 700)) #else -#define ACC_WANT_ACC_CHK_CH 1 -#undef ACCCHK_ASSERT -#define ACCCHK_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr) -#include "miniacc.h" +#define LZO_WANT_ACC_CHK_CH 1 +#undef LZOCHK_ASSERT +#define LZOCHK_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr) +#include "lzo_supp.h" #endif -#undef ACCCHK_ASSERT +#undef LZOCHK_ASSERT if (v == 0) return LZO_E_ERROR; @@ -210,7 +214,7 @@ __lzo_init_v2(unsigned v, int s1, int s2, int s3, int s4, int s5, r = (s1 == -1 || s1 == (int) sizeof(short)) && (s2 == -1 || s2 == (int) sizeof(int)) && (s3 == -1 || s3 == (int) sizeof(long)) && - (s4 == -1 || s4 == (int) sizeof(lzo_uint32)) && + (s4 == -1 || s4 == (int) sizeof(lzo_uint32_t)) && (s5 == -1 || s5 == (int) sizeof(lzo_uint)) && (s6 == -1 || s6 == (int) lzo_sizeof_dict_t) && (s7 == -1 || s7 == (int) sizeof(char *)) && |