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https://github.com/sheumann/hush.git
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602ce69afb
function old new delta unpack_xz_stream_stdin - 3953 +3953 lzma_main - 2601 +2601 lzma_len - 516 +516 dec_vli - 165 +165 dict_repeat - 103 +103 lzma_reset - 98 +98 fill_temp - 98 +98 crc32_validate - 93 +93 xz_dec_reset - 77 +77 unxz_main - 77 +77 index_update - 47 +47 xz_crc32 - 40 +40 packed_usage 27044 27060 +16 make_new_name_unxz - 14 +14 applet_names 2240 2254 +14 applet_main 1312 1324 +12 applet_nameofs 656 662 +6 unpack_unxz - 5 +5 send_tree 355 360 +5 applet_install_loc 164 166 +2 ------------------------------------------------------------------------------ (add/remove: 15/0 grow/shrink: 6/0 up/down: 7942/0) Total: 7942 bytes text data bss dec hex filename 844032 453 6812 851297 cfd61 busybox_old 852063 453 6812 859328 d1cc0 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
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* Private includes and definitions for userspace use of XZ Embedded
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*
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* Author: Lasse Collin <lasse.collin@tukaani.org>
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*
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* This file has been put into the public domain.
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* You can do whatever you want with this file.
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*/
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#ifndef XZ_CONFIG_H
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#define XZ_CONFIG_H
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/* Uncomment as needed to enable BCJ filter decoders. */
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/* #define XZ_DEC_X86 */
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/* #define XZ_DEC_POWERPC */
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/* #define XZ_DEC_IA64 */
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/* #define XZ_DEC_ARM */
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/* #define XZ_DEC_ARMTHUMB */
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/* #define XZ_DEC_SPARC */
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "xz.h"
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#define kmalloc(size, flags) malloc(size)
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#define kfree(ptr) free(ptr)
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#define vmalloc(size) malloc(size)
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#define vfree(ptr) free(ptr)
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#define memeq(a, b, size) (memcmp(a, b, size) == 0)
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#define memzero(buf, size) memset(buf, 0, size)
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#define min(x, y) ((x) < (y) ? (x) : (y))
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#define min_t(type, x, y) min(x, y)
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/*
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* Some functions have been marked with __always_inline to keep the
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* performance reasonable even when the compiler is optimizing for
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* small code size. You may be able to save a few bytes by #defining
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* __always_inline to plain inline, but don't complain if the code
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* becomes slow.
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*
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* NOTE: System headers on GNU/Linux may #define this macro already,
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* so if you want to change it, it you need to #undef it first.
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*/
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#ifndef __always_inline
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# ifdef __GNUC__
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# define __always_inline \
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inline __attribute__((__always_inline__))
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# else
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# define __always_inline inline
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# endif
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#endif
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/*
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* Some functions are marked to never be inlined to reduce stack usage.
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* If you don't care about stack usage, you may want to modify this so
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* that noinline_for_stack is #defined to be empty even when using GCC.
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* Doing so may save a few bytes in binary size.
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*/
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#ifndef noinline_for_stack
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# ifdef __GNUC__
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# define noinline_for_stack __attribute__((__noinline__))
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# else
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# define noinline_for_stack
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# endif
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#endif
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/* Inline functions to access unaligned unsigned 32-bit integers */
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#ifndef get_unaligned_le32
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static inline uint32_t XZ_FUNC get_unaligned_le32(const uint8_t *buf)
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{
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return (uint32_t)buf[0]
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| ((uint32_t)buf[1] << 8)
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| ((uint32_t)buf[2] << 16)
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| ((uint32_t)buf[3] << 24);
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}
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#endif
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#ifndef get_unaligned_be32
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static inline uint32_t XZ_FUNC get_unaligned_be32(const uint8_t *buf)
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{
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return (uint32_t)(buf[0] << 24)
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| ((uint32_t)buf[1] << 16)
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| ((uint32_t)buf[2] << 8)
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| (uint32_t)buf[3];
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}
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#endif
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#ifndef put_unaligned_le32
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static inline void XZ_FUNC put_unaligned_le32(uint32_t val, uint8_t *buf)
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{
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buf[0] = (uint8_t)val;
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buf[1] = (uint8_t)(val >> 8);
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buf[2] = (uint8_t)(val >> 16);
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buf[3] = (uint8_t)(val >> 24);
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}
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#endif
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#ifndef put_unaligned_be32
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static inline void XZ_FUNC put_unaligned_be32(uint32_t val, uint8_t *buf)
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{
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buf[0] = (uint8_t)(val >> 24);
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buf[1] = (uint8_t)(val >> 16);
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buf[2] = (uint8_t)(val >> 8);
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buf[3] = (uint8_t)val;
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}
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#endif
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/*
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* Use get_unaligned_le32() also for aligned access for simplicity. On
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* little endian systems, #define get_le32(ptr) (*(const uint32_t *)(ptr))
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* could save a few bytes in code size.
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*/
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#define get_le32 get_unaligned_le32
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#endif
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