Ruby
2.7.7p221 (2022-11-24 revision 168ec2b1e5ad0e4688e963d9de019557c78feed9)
missing
memcmp.c
Go to the documentation of this file.
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/* public domain rewrite of memcmp(3) */
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#include "
ruby/missing.h
"
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#include <stddef.h>
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int
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memcmp
(
const
void
*s1,
const
void
*
s2
,
size_t
len
)
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{
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register
unsigned
char
*a = (
unsigned
char
*)s1;
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register
unsigned
char
*b = (
unsigned
char
*)
s2
;
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register
int
tmp;
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for
(;
len
; --
len
) {
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tmp = *a++ - *b++;
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if
(tmp)
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return
tmp;
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}
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return
0;
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}
memcmp
int memcmp(const void *s1, const void *s2, size_t len)
Definition:
memcmp.c:7
missing.h
len
__inline__ const void *__restrict__ size_t len
Definition:
rb_mjit_min_header-2.7.7.h:1463
s2
const char * s2
Definition:
rb_mjit_min_header-2.7.7.h:2634
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