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* iconv/skeleton.c: Define access macros with u suffix.  Adjust
	#if expression for use of unaligned function to the one used in
	the definition of these functions.
	* iconv/gconv_simple.c (internal_ucs4_loop_unaligned): New function.
	(internal_ucs4le_loop_unaligned): New function.

	    Ralf Baechle <ralf@uni-koblenz.de>
This commit is contained in:
Ulrich Drepper
2000-03-31 20:44:49 +00:00
parent c0c2af0799
commit c1db8b0ddf
3 changed files with 115 additions and 14 deletions
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93
iconv/gconv_simple.c
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@ -99,6 +99,52 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend,
return result;
}
#ifndef _STRING_ARCH_unaligned
static inline int
internal_ucs4_loop_unaligned (const unsigned char **inptrp,
const unsigned char *inend,
unsigned char **outptrp, unsigned char *outend,
mbstate_t *state, void *data, size_t *converted)
{
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
# if __BYTE_ORDER == __LITTLE_ENDIAN
/* Sigh, we have to do some real work. */
size_t cnt;
for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4, outptr += 4)
{
outptr[0] = inptr[3];
outptr[1] = inptr[2];
outptr[2] = inptr[1];
outptr[3] = inptr[0];
}
*inptrp = inptr;
*outptrp = outptr;
# elif __BYTE_ORDER == __BIG_ENDIAN
/* Simply copy the data. */
*inptrp = inptr + n_convert * 4;
*outptrp = __mempcpy (outptr, inptr, n_convert * 4);
# else
# error "This endianess is not supported."
# endif
/* Determine the status. */
if (*outptrp == outend)
result = __GCONV_FULL_OUTPUT;
else if (*inptrp == inend)
result = __GCONV_EMPTY_INPUT;
else
result = __GCONV_INCOMPLETE_INPUT;
return result;
}
#endif
#include <iconv/skeleton.c>
@ -151,6 +197,53 @@ internal_ucs4le_loop (const unsigned char **inptrp, const unsigned char *inend,
return result;
}
#ifndef _STRING_ARCH_unaligned
static inline int
internal_ucs4le_loop_unaligned (const unsigned char **inptrp,
const unsigned char *inend,
unsigned char **outptrp, unsigned char *outend,
mbstate_t *state, void *data,
size_t *converted)
{
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
# if __BYTE_ORDER == __BIG_ENDIAN
/* Sigh, we have to do some real work. */
size_t cnt;
for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
{
outptr[0] = inptr[3];
outptr[1] = inptr[2];
outptr[2] = inptr[1];
outptr[3] = inptr[0];
}
*inptrp = inptr;
*outptrp = outptr;
# elif __BYTE_ORDER == __LITTLE_ENDIAN
/* Simply copy the data. */
*inptrp = inptr + n_convert * 4;
*outptrp = __mempcpy (outptr, inptr, n_convert * 4);
# else
# error "This endianess is not supported."
# endif
/* Determine the status. */
if (*outptrp == outend)
result = __GCONV_FULL_OUTPUT;
else if (*inptrp == inend)
result = __GCONV_EMPTY_INPUT;
else
result = __GCONV_INCOMPLETE_INPUT;
return result;
}
#endif
#include <iconv/skeleton.c>