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[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [glibc/] [sysdeps/] [riscv/] [bits/] [string.h] - Blame information for rev 13

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/* This file should provide inline versions of string functions.
 
   Surround GCC-specific parts with #ifdef __GNUC__, and use `__extern_inline'.
 
   This file should define __STRING_INLINES if functions are actually defined
   as inlines.  */
 
#ifndef _BITS_STRING_H
#define _BITS_STRING_H  1
 
#define _STRING_ARCH_unaligned   0
 
#if defined(__GNUC__) && !defined(__cplusplus)
 
static __inline__ unsigned long __libc_detect_null(unsigned long w)
{
  unsigned long mask = 0x7f7f7f7f;
  if (sizeof(long) == 8)
    mask = ((mask << 16) << 16) | mask;
  return ~(((w & mask) + mask) | w | mask);
}
 
#endif /* __GNUC__ && !__cplusplus */
 
#endif /* bits/string.h */

Line No.	Rev	Author	Line
1	13	serginhofr	`/* This file should provide inline versions of string functions.`
2
3			Surround GCC-specific parts with #ifdef __GNUC__, and use `__extern_inline'.
4
5			`This file should define __STRING_INLINES if functions are actually defined`
6			`as inlines. */`
7
8			`#ifndef _BITS_STRING_H`
9			`#define _BITS_STRING_H 1`
10
11			`#define _STRING_ARCH_unaligned 0`
12
13			`#if defined(__GNUC__) && !defined(__cplusplus)`
14
15			`static __inline__ unsigned long __libc_detect_null(unsigned long w)`
16			`{`
17			`unsigned long mask = 0x7f7f7f7f;`
18			`if (sizeof(long) == 8)`
19			`mask = ((mask << 16) << 16) \| mask;`
20			`return ~(((w & mask) + mask) \| w \| mask);`
21			`}`
22
23			`#endif /* __GNUC__ && !__cplusplus */`
24
25			`#endif /* bits/string.h */`

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[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [glibc/] [sysdeps/] [riscv/] [bits/] [string.h] - Blame information for rev 13