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all files: use restrict key word for all pointer arguments

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Limit the effects of pointer aliasing and aiding caching
optimizations.

http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2011-10-23 22:18:38 +02:00
parent 235825b084
commit 6b47d9ffaf
6 changed files with 33 additions and 32 deletions
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6
src/other.c
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@ -82,7 +82,7 @@ int
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
__attribute__ ((hot))
#endif
xstrstr(char *a, char *b, int len)
xstrstr(char *restrict a, char *restrict b, int len)
{
int i;
/* two spaces are very common in lease file, after them
@ -105,7 +105,7 @@ int
}
/* Simple strdup wrapper */
char *safe_strdup(const char *str)
char *safe_strdup(const char *restrict str)
{
char *ret = strdup(str);
@ -114,7 +114,7 @@ char *safe_strdup(const char *str)
return ret;
}
void flip_ranges(struct range_t *ranges, struct range_t *tmp_ranges)
void flip_ranges(struct range_t *restrict ranges, struct range_t *restrict tmp_ranges)
{
unsigned int i = num_ranges - 1, j;