| 1 | /* |
1 | /* |
| 2 | * libecb - http://software.schmorp.de/pkg/libecb |
2 | * libecb - http://software.schmorp.de/pkg/libecb |
| 3 | * |
3 | * |
| 4 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
4 | * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de> |
| 5 | * Copyright (©) 2011 Emanuele Giaquinta |
5 | * Copyright (©) 2011 Emanuele Giaquinta |
| 6 | * All rights reserved. |
6 | * All rights reserved. |
| 7 | * |
7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * Redistribution and use in source and binary forms, with or without modifica- |
| 9 | * tion, are permitted provided that the following conditions are met: |
9 | * tion, are permitted provided that the following conditions are met: |
| … | |
… | |
| 40 | |
40 | |
| 41 | #ifndef ECB_H |
41 | #ifndef ECB_H |
| 42 | #define ECB_H |
42 | #define ECB_H |
| 43 | |
43 | |
| 44 | /* 16 bits major, 16 bits minor */ |
44 | /* 16 bits major, 16 bits minor */ |
| 45 | #define ECB_VERSION 0x00010006 |
45 | #define ECB_VERSION 0x00010008 |
| 46 | |
46 | |
| 47 | #ifdef _WIN32 |
47 | #include <string.h> /* for memcpy */ |
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48 | |
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49 | #if defined (_WIN32) && !defined (__MINGW32__) |
| 48 | typedef signed char int8_t; |
50 | typedef signed char int8_t; |
| 49 | typedef unsigned char uint8_t; |
51 | typedef unsigned char uint8_t; |
|
|
52 | typedef signed char int_fast8_t; |
|
|
53 | typedef unsigned char uint_fast8_t; |
| 50 | typedef signed short int16_t; |
54 | typedef signed short int16_t; |
| 51 | typedef unsigned short uint16_t; |
55 | typedef unsigned short uint16_t; |
|
|
56 | typedef signed int int_fast16_t; |
|
|
57 | typedef unsigned int uint_fast16_t; |
| 52 | typedef signed int int32_t; |
58 | typedef signed int int32_t; |
| 53 | typedef unsigned int uint32_t; |
59 | typedef unsigned int uint32_t; |
|
|
60 | typedef signed int int_fast32_t; |
|
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61 | typedef unsigned int uint_fast32_t; |
| 54 | #if __GNUC__ |
62 | #if __GNUC__ |
| 55 | typedef signed long long int64_t; |
63 | typedef signed long long int64_t; |
| 56 | typedef unsigned long long uint64_t; |
64 | typedef unsigned long long uint64_t; |
| 57 | #else /* _MSC_VER || __BORLANDC__ */ |
65 | #else /* _MSC_VER || __BORLANDC__ */ |
| 58 | typedef signed __int64 int64_t; |
66 | typedef signed __int64 int64_t; |
| 59 | typedef unsigned __int64 uint64_t; |
67 | typedef unsigned __int64 uint64_t; |
| 60 | #endif |
68 | #endif |
|
|
69 | typedef int64_t int_fast64_t; |
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70 | typedef uint64_t uint_fast64_t; |
| 61 | #ifdef _WIN64 |
71 | #ifdef _WIN64 |
| 62 | #define ECB_PTRSIZE 8 |
72 | #define ECB_PTRSIZE 8 |
| 63 | typedef uint64_t uintptr_t; |
73 | typedef uint64_t uintptr_t; |
| 64 | typedef int64_t intptr_t; |
74 | typedef int64_t intptr_t; |
| 65 | #else |
75 | #else |
| … | |
… | |
| 76 | #endif |
86 | #endif |
| 77 | #endif |
87 | #endif |
| 78 | |
88 | |
| 79 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
89 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
| 80 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
90 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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91 | |
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92 | #ifndef ECB_OPTIMIZE_SIZE |
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93 | #if __OPTIMIZE_SIZE__ |
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94 | #define ECB_OPTIMIZE_SIZE 1 |
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95 | #else |
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96 | #define ECB_OPTIMIZE_SIZE 0 |
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97 | #endif |
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98 | #endif |
| 81 | |
99 | |
| 82 | /* work around x32 idiocy by defining proper macros */ |
100 | /* work around x32 idiocy by defining proper macros */ |
| 83 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
101 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
| 84 | #if _ILP32 |
102 | #if _ILP32 |
| 85 | #define ECB_AMD64_X32 1 |
103 | #define ECB_AMD64_X32 1 |
| … | |
… | |
| 592 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
610 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
| 593 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
611 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
| 594 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
612 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
| 595 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
613 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
| 596 | |
614 | |
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615 | #if ECB_CPP |
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616 | |
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617 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
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618 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
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619 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
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620 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
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621 | |
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622 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
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623 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
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624 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
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625 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
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626 | |
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627 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
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628 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
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629 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
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630 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
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631 | |
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632 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
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633 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
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634 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
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635 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
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636 | |
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637 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
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638 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
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639 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
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640 | |
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641 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
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642 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
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643 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
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644 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
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645 | |
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646 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
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647 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
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648 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
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649 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
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650 | |
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651 | #endif |
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652 | |
| 597 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
653 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
| 598 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
654 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
| 599 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
655 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
| 600 | #else |
656 | #else |
| 601 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
657 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
| … | |
… | |
| 672 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
728 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
| 673 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
729 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
| 674 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
730 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
| 675 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
731 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
| 676 | |
732 | |
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733 | /*****************************************************************************/ |
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734 | /* unaligned load/store */ |
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735 | |
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736 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
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737 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
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738 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
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739 | |
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740 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
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741 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
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742 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
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743 | |
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744 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
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745 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
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746 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
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747 | |
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748 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
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749 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
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750 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
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751 | |
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752 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
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753 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
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754 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
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755 | |
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756 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
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757 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
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758 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
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759 | |
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760 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
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761 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
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762 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
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763 | |
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764 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
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765 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
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766 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
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767 | |
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768 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
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769 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
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770 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
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771 | |
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772 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
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773 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
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774 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
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775 | |
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776 | #if ECB_CPP |
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777 | |
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778 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
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779 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
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780 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
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781 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
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782 | |
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783 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
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784 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
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785 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
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786 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
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787 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
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788 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
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789 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
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790 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
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791 | |
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792 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
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793 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
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794 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
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795 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
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796 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
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797 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
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798 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
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799 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
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800 | |
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801 | #endif |
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802 | |
|
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803 | /*****************************************************************************/ |
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804 | |
| 677 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
805 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
| 678 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
806 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
| 679 | #else |
807 | #else |
| 680 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
808 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
| 681 | #endif |
809 | #endif |
| … | |
… | |
| 704 | return N; |
832 | return N; |
| 705 | } |
833 | } |
| 706 | #else |
834 | #else |
| 707 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
835 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
| 708 | #endif |
836 | #endif |
|
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837 | |
|
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838 | /*****************************************************************************/ |
| 709 | |
839 | |
| 710 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
840 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
| 711 | ecb_function_ ecb_const uint32_t |
841 | ecb_function_ ecb_const uint32_t |
| 712 | ecb_binary16_to_binary32 (uint32_t x) |
842 | ecb_binary16_to_binary32 (uint32_t x) |
| 713 | { |
843 | { |
| … | |
… | |
| 822 | || defined __sh__ \ |
952 | || defined __sh__ \ |
| 823 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
953 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
| 824 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
954 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
| 825 | || defined __aarch64__ |
955 | || defined __aarch64__ |
| 826 | #define ECB_STDFP 1 |
956 | #define ECB_STDFP 1 |
| 827 | #include <string.h> /* for memcpy */ |
|
|
| 828 | #else |
957 | #else |
| 829 | #define ECB_STDFP 0 |
958 | #define ECB_STDFP 0 |
| 830 | #endif |
959 | #endif |
| 831 | |
960 | |
| 832 | #ifndef ECB_NO_LIBM |
961 | #ifndef ECB_NO_LIBM |
