linux/arch/x86/boot/string.h
Tommy Nguyen 6ec829a9d1 x86/boot: Add missing strchr() declaration
The Sparse static analyzer emits this warning:

    symbol 'strchr' was not declared. Should it be static?

This patch adds the appropriate extern declaration to string.h
to fix the warning.

Signed-off-by: Tommy Nguyen <remyabel@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170623143601.GA20743@NoChina
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-24 08:53:33 +02:00

32 lines
1.0 KiB
C

#ifndef BOOT_STRING_H
#define BOOT_STRING_H
/* Undef any of these macros coming from string_32.h. */
#undef memcpy
#undef memset
#undef memcmp
void *memcpy(void *dst, const void *src, size_t len);
void *memset(void *dst, int c, size_t len);
int memcmp(const void *s1, const void *s2, size_t len);
/*
* Access builtin version by default. If one needs to use optimized version,
* do "undef memcpy" in .c file and link against right string.c
*/
#define memcpy(d,s,l) __builtin_memcpy(d,s,l)
#define memset(d,c,l) __builtin_memset(d,c,l)
#define memcmp __builtin_memcmp
extern int strcmp(const char *str1, const char *str2);
extern int strncmp(const char *cs, const char *ct, size_t count);
extern size_t strlen(const char *s);
extern char *strstr(const char *s1, const char *s2);
extern char *strchr(const char *s, int c);
extern size_t strnlen(const char *s, size_t maxlen);
extern unsigned int atou(const char *s);
extern unsigned long long simple_strtoull(const char *cp, char **endp,
unsigned int base);
#endif /* BOOT_STRING_H */