157 lines
3.0 KiB
C
157 lines
3.0 KiB
C
/* string.h: Extra string defs
|
|
|
|
Copyright 2001, 2007 Red Hat, Inc.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#ifndef _CYGWIN_STRING_H
|
|
#define _CYGWIN_STRING_H
|
|
|
|
#include_next <string.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#undef strchr
|
|
#define strchr cygwin_strchr
|
|
static inline __stdcall char *
|
|
strchr (const char *s, int c)
|
|
{
|
|
register char * res;
|
|
__asm__ __volatile__ ("\
|
|
movb %%al,%%ah\n\
|
|
1: movb (%1),%%al\n\
|
|
cmpb %%ah,%%al\n\
|
|
je 2f\n\
|
|
incl %1\n\
|
|
testb %%al,%%al\n\
|
|
jne 1b\n\
|
|
xorl %1,%1\n\
|
|
2: movl %1,%0\n\
|
|
":"=a" (res), "=r" (s)
|
|
:"0" (c), "1" (s));
|
|
return res;
|
|
}
|
|
|
|
#undef strechr
|
|
#define strechr cygwin_strechr
|
|
static inline __stdcall char *
|
|
strechr (const char *s, int c)
|
|
{
|
|
register char * res;
|
|
__asm__ __volatile__ ("\
|
|
movb %%al,%%ah\n\
|
|
1: movb (%1),%%al\n\
|
|
cmpb %%ah,%%al\n\
|
|
je 2f\n\
|
|
incl %1\n\
|
|
testb %%al,%%al\n\
|
|
jne 1b\n\
|
|
decl %1\n\
|
|
2: movl %1,%0\n\
|
|
":"=a" (res), "=r" (s)
|
|
:"0" (c), "1" (s));
|
|
return res;
|
|
}
|
|
|
|
#ifdef __INSIDE_CYGWIN__
|
|
|
|
/* Don't use. Not NLS aware. */
|
|
#if 0 // Not NLS aware
|
|
extern const char isalpha_array[];
|
|
|
|
#undef strcasematch
|
|
#define strcasematch cygwin_strcasematch
|
|
|
|
static inline int
|
|
cygwin_strcasematch (const char *cs, const char *ct)
|
|
{
|
|
register int __res;
|
|
int d0, d1;
|
|
__asm__ ("\
|
|
.global _isalpha_array \n\
|
|
cld \n\
|
|
andl $0xff,%%eax \n\
|
|
1: lodsb \n\
|
|
scasb \n\
|
|
je 2f \n\
|
|
xorb _isalpha_array(%%eax),%%al \n\
|
|
cmpb -1(%%edi),%%al \n\
|
|
jne 3f \n\
|
|
2: testb %%al,%%al \n\
|
|
jnz 1b \n\
|
|
movl $1,%%eax \n\
|
|
jmp 4f \n\
|
|
3: xor %0,%0 \n\
|
|
4:"
|
|
:"=a" (__res), "=&S" (d0), "=&D" (d1)
|
|
: "1" (cs), "2" (ct));
|
|
|
|
return __res;
|
|
}
|
|
|
|
#undef strncasematch
|
|
#define strncasematch cygwin_strncasematch
|
|
|
|
static inline int
|
|
cygwin_strncasematch (const char *cs, const char *ct, size_t n)
|
|
{
|
|
register int __res;
|
|
int d0, d1, d2;
|
|
__asm__ ("\
|
|
.global _isalpha_array; \n\
|
|
cld \n\
|
|
andl $0xff,%%eax \n\
|
|
1: decl %3 \n\
|
|
js 3f \n\
|
|
lodsb \n\
|
|
scasb \n\
|
|
je 2f \n\
|
|
xorb _isalpha_array(%%eax),%%al \n\
|
|
cmpb -1(%%edi),%%al \n\
|
|
jne 4f \n\
|
|
2: testb %%al,%%al \n\
|
|
jnz 1b \n\
|
|
3: movl $1,%%eax \n\
|
|
jmp 5f \n\
|
|
4: xor %0,%0 \n\
|
|
5:"
|
|
:"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
|
|
:"1" (cs), "2" (ct), "3" (n));
|
|
|
|
return __res;
|
|
}
|
|
#else
|
|
#undef strcasecmp
|
|
#define strcasecmp cygwin_strcasecmp
|
|
int __stdcall cygwin_strcasecmp (const char *, const char *);
|
|
|
|
#undef strncasecmp
|
|
#define strncasecmp cygwin_strncasecmp
|
|
int __stdcall cygwin_strncasecmp (const char *, const char *, size_t);
|
|
|
|
#define strcasematch(s1,s2) (!cygwin_strcasecmp ((s1),(s2)))
|
|
#define strncasematch(s1,s2,n) (!cygwin_strncasecmp ((s1),(s2),(n)))
|
|
#endif
|
|
|
|
#undef strlwr
|
|
#define strlwr cygwin_strlwr
|
|
char * __stdcall cygwin_strlwr (char *);
|
|
|
|
#undef strupr
|
|
#define strupr cygwin_strupr
|
|
char * __stdcall cygwin_strupr (char *);
|
|
|
|
#endif /* __INSIDE_CYGWIN__ */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _CYGWIN_STRING_H */
|