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Mark strncmp as a pure function.

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Simply a performance optimisation. This has no effect on functional behaviour.
This commit is contained in:
Matthew Fernandez 2016-06-29 17:04:28 +10:00
parent fee3af3dd3
commit d36447b35f
2 changed files with 2 additions and 2 deletions
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2
include/util.h
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@ -76,7 +76,7 @@ void halt(void) NORETURN;
void memzero(void *s, unsigned long n);
void *memset(void *s, unsigned long c, unsigned long n);
void *memcpy(void* ptr_dst, const void* ptr_src, unsigned long n);
int strncmp(const char *s1, const char *s2, int n);
int PURE strncmp(const char *s1, const char *s2, int n);
long CONST char_to_long(char c);
long PURE str_to_long(const char* str);

2
src/util.c
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@ -79,7 +79,7 @@ memcpy(void* ptr_dst, const void* ptr_src, unsigned long n)
return ptr_dst;
}
int
int PURE
strncmp(const char* s1, const char* s2, int n)
{
word_t i;