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 memcmp(const void *cs, const void *ct, size_t count); 35 extern char * strchrnul(const char *, int); 36 37 #ifdef CONFIG_KERNEL_GZIP 38 #include "../../../../lib/decompress_inflate.c" 39 #endif 40 41 #ifdef CONFIG_KERNEL_LZO 42 #include "../../../../lib/decompress_unlzo.c" 43 #endif 44 45 #ifdef CONFIG_KERNEL_LZMA 46 #include "../../../../lib/decompress_unlzma.c" 47 #endif 48 49 #ifdef CONFIG_KERNEL_XZ 50 /* Prevent KASAN override of string helpers in decompressor */ 51 #undef memmove 52 #define memmove memmove 53 #undef memcpy 54 #define memcpy memcpy 55 #include "../../../../lib/decompress_unxz.c" 56 #endif 57 58 #ifdef CONFIG_KERNEL_LZ4 59 #include "../../../../lib/decompress_unlz4.c" 60 #endif 61 do_decompress(u8 * input,int len,u8 * output,void (* error)(char * x))62 int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)) 63 { 64 return __decompress(input, len, NULL, NULL, output, 0, NULL, error); 65 } 66