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(buf: input, len, NULL, NULL, out_buf: output, out_len: 0, NULL, error); |
66 | } |
67 | |