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Delete inline implementations of strcpy and stpcpy.

This commit is contained in:
Ulrich Drepper 1999-04-12 09:01:49 +00:00
parent 2ac24faac8
commit 3c3174b2ec
1 changed files with 1 additions and 124 deletions
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125
sysdeps/arm/bits/string.h
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@ -1,5 +1,5 @@
/* Optimized, inlined string functions. ARM version.
Copyright (C) 1998 Free Software Foundation, Inc.
Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -25,126 +25,3 @@
<bits/string2.h> since they don't work on the ARM. */
#define _HAVE_STRING_ARCH_strcpy 1
#define _HAVE_STRING_ARCH_stpcpy 1
/* We only provide optimizations if GNU CC is used and this is a little
endian system (the code below does not work on big endian machines).
With current versions of GCC these optimi\ations produce quite a large
amount of code so we only enable them if the user specifically asked
for it. */
#if !defined __NO_STRING_INLINES && defined __GNUC__ && __GNUC__ >= 2 \
&& !defined __ARMEB__ && defined __USE_STRING_INLINES
/* Copy SRC to DEST. */
#define strcpy(dest, src) \
(__extension__ (__builtin_constant_p (src) \
? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \
? __strcpy_small (dest, src, strlen (src) + 1) \
: (char *) memcpy (dest, src, strlen (src) + 1)) \
: strcpy (dest, src)))
#define __strcpy_small(dest, src, srclen) \
(__extension__ ({ char *__dest = (char *) (dest); \
const char *__src = (const char *) (src); \
size_t __srclen = (srclen); \
switch (__srclen) \
{ \
case 5: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 1: \
*__dest++ = '\0'; \
break; \
case 6: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 2: \
*((unsigned short int *) __dest) = \
__src[0]; \
__dest += 2; \
break; \
case 7: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 3: \
*((unsigned short int *) __dest) = \
*((const unsigned short int *) (__src)); \
__dest[2] = '\0'; \
__dest += 3; \
break; \
case 8: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 4: \
*((unsigned long int *) __dest) = \
*((const unsigned short int *) (__src)) | \
(__src[2] << 16); \
__dest += 4; \
break; \
} \
(__dest - __srclen) ; }))
/* Copy SRC to DEST, returning pointer to final NUL byte. */
#define __stpcpy(dest, src) \
(__extension__ (__builtin_constant_p (src) \
? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \
? __stpcpy_small (dest, src, strlen (src) + 1) \
: ((char *) __mempcpy (dest, src, strlen (src) + 1) - 1))\
: __stpcpy (dest, src)))
#define __stpcpy_small(dest, src, srclen) \
(__extension__ ({ char *__dest = (char *) (dest); \
const char *__src = (const char *) (src); \
switch (srclen) \
{ \
case 5: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 1: \
*__dest++ = '\0'; \
break; \
case 6: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 2: \
*((unsigned short int *) __dest) = \
__src[0]; \
__dest += 2; \
break; \
case 7: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 3: \
*((unsigned short int *) __dest) = \
*((const unsigned short int *) (__src)); \
__dest[2] = '\0'; \
__dest += 3; \
break; \
case 8: \
*((unsigned long int *) __dest) = \
*((const unsigned long int *) (__src)); \
__dest += 4; \
__src += 4; \
case 4: \
*((unsigned long int *) __dest) = \
*((const unsigned short int *) (__src)) | \
(__src[2] << 16); \
__dest += 4; \
break; \
} \
__dest; }))
#endif