File: string.h

package info (click to toggle)
syslinux 2%3A4.02%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 23,804 kB
  • ctags: 71,027
  • sloc: ansic: 270,621; pascal: 9,631; asm: 9,089; perl: 3,492; makefile: 1,588; sh: 511; python: 266; xml: 39
file content (23 lines) | stat: -rw-r--r-- 531 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/*
 * string.h
 */

#ifndef _STRING_H
#define _STRING_H

/* Standard routines */
#define memcpy(a,b,c)	__builtin_memcpy(a,b,c)
#define memset(a,b,c)	__builtin_memset(a,b,c)
#define strcpy(a,b)	__builtin_strcpy(a,b)
#define strlen(a)	__builtin_strlen(a)

/* This only returns true or false */
static inline int memcmp(const void *__m1, const void *__m2, unsigned int __n)
{
    _Bool rv;
    asm volatile ("cld ; repe ; cmpsb ; setne %0":"=abd" (rv), "+D"(__m1),
		  "+S"(__m2), "+c"(__n));
    return rv;
}

#endif /* _STRING_H */