| 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | #define _LINUX_STRING_H_ |
| 3 | |
| 4 | #include <linux/compiler.h> /* for inline */ |
| 5 | #include <linux/types.h> /* for size_t */ |
| 6 | #include <linux/stddef.h> /* for NULL */ |
| 7 | #include <linux/linkage.h> |
| 8 | #include <asm/string.h> |
| 9 | #include "misc.h" |
| 10 | |
| 11 | #define STATIC static |
| 12 | #define STATIC_RW_DATA /* non-static please */ |
| 13 | |
| 14 | /* Diagnostic functions */ |
| 15 | #ifdef DEBUG |
| 16 | # define Assert(cond,msg) {if(!(cond)) error(msg);} |
| 17 | # define Trace(x) fprintf x |
| 18 | # define Tracev(x) {if (verbose) fprintf x ;} |
| 19 | # define Tracevv(x) {if (verbose>1) fprintf x ;} |
| 20 | # define Tracec(c,x) {if (verbose && (c)) fprintf x ;} |
| 21 | # define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} |
| 22 | #else |
| 23 | # define Assert(cond,msg) |
| 24 | # define Trace(x) |
| 25 | # define Tracev(x) |
| 26 | # define Tracevv(x) |
| 27 | # define Tracec(c,x) |
| 28 | # define Tracecv(c,x) |
| 29 | #endif |
| 30 | |
| 31 | /* Not needed, but used in some headers pulled in by decompressors */ |
| 32 | extern char * strstr(const char * s1, const char *s2); |
| 33 | extern size_t strlen(const char *s); |
| 34 | extern int strcmp(const char *cs, const char *ct); |
| 35 | extern int memcmp(const void *cs, const void *ct, size_t count); |
| 36 | extern char * strchrnul(const char *, int); |
| 37 | |
| 38 | #ifdef CONFIG_KERNEL_GZIP |
| 39 | #include "../../../../lib/decompress_inflate.c" |
| 40 | #endif |
| 41 | |
| 42 | #ifdef CONFIG_KERNEL_LZO |
| 43 | #include "../../../../lib/decompress_unlzo.c" |
| 44 | #endif |
| 45 | |
| 46 | #ifdef CONFIG_KERNEL_LZMA |
| 47 | #include "../../../../lib/decompress_unlzma.c" |
| 48 | #endif |
| 49 | |
| 50 | #ifdef CONFIG_KERNEL_XZ |
| 51 | /* Prevent KASAN override of string helpers in decompressor */ |
| 52 | #undef memmove |
| 53 | #define memmove memmove |
| 54 | #undef memcpy |
| 55 | #define memcpy memcpy |
| 56 | #include "../../../../lib/decompress_unxz.c" |
| 57 | #endif |
| 58 | |
| 59 | #ifdef CONFIG_KERNEL_LZ4 |
| 60 | #include "../../../../lib/decompress_unlz4.c" |
| 61 | #endif |
| 62 | |
| 63 | int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)) |
| 64 | { |
| 65 | return __decompress(input, len, NULL, NULL, output, 0, NULL, error); |
| 66 | } |