/* Simple transformations functions.
- Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1997-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <byteswap.h>
+#include <dlfcn.h>
#include <endian.h>
#include <errno.h>
#include <gconv.h>
#include <string.h>
#include <wchar.h>
#include <sys/param.h>
+#include <gconv_int.h>
+
+#define BUILTIN_ALIAS(s1, s2) /* nothing */
+#define BUILTIN_TRANSFORMATION(From, To, Cost, Name, Fct, BtowcFct, \
+ MinF, MaxF, MinT, MaxT) \
+ extern int Fct (struct __gconv_step *, struct __gconv_step_data *, \
+ const unsigned char **, const unsigned char *, \
+ unsigned char **, size_t *, int, int);
+#include "gconv_builtin.h"
+
#ifndef EILSEQ
# define EILSEQ EINVAL
#endif
-/* These are definitions used by some of the functions for handling
- UTF-8 encoding below. */
-static const uint32_t encoding_mask[] =
+/* Specialized conversion function for a single byte to INTERNAL, recognizing
+ only ASCII characters. */
+wint_t
+__gconv_btwoc_ascii (struct __gconv_step *step, unsigned char c)
{
- ~0x7ff, ~0xffff, ~0x1fffff, ~0x3ffffff
-};
+ if (c < 0x80)
+ return c;
+ else
+ return WEOF;
+}
-static const unsigned char encoding_byte[] =
-{
- 0xc0, 0xe0, 0xf0, 0xf8, 0xfc
-};
+/* Transform from the internal, UCS4-like format, to UCS4. The
+ difference between the internal ucs4 format and the real UCS4
+ format is, if any, the endianess. The Unicode/ISO 10646 says that
+ unless some higher protocol specifies it differently, the byte
+ order is big endian.*/
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 4
+#define MIN_NEEDED_TO 4
+#define FROM_DIRECTION 1
+#define FROM_LOOP internal_ucs4_loop
+#define TO_LOOP internal_ucs4_loop /* This is not used. */
+#define FUNCTION_NAME __gconv_transform_internal_ucs4
+#define ONE_DIRECTION 0
-int
-__gconv_transform_dummy (struct gconv_step *step, struct gconv_step_data *data,
- const char **inbuf, const char *inbufend,
- size_t *written, int do_flush)
+static inline int
+__attribute ((always_inline))
+internal_ucs4_loop (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp, const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
{
- size_t do_write;
+ 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;
+ uint32_t *outptr32 = (uint32_t *) outptr;
+
+ for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ *outptr32++ = bswap_32 (*(const uint32_t *) inptr);
- /* We have no stateful encoding. So we don't have to do anything
- special. */
- if (do_flush)
- do_write = 0;
+ *inptrp = inptr;
+ *outptrp = (unsigned char *) outptr32;
+#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 (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*outptrp + 4 > outend)
+ result = __GCONV_FULL_OUTPUT;
else
+ result = __GCONV_INCOMPLETE_INPUT;
+
+ return result;
+}
+
+#if !_STRING_ARCH_unaligned
+static inline int
+__attribute ((always_inline))
+internal_ucs4_loop_unaligned (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ 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)
{
- do_write = MIN (inbufend - *inbuf, data->outbufend - data->outbuf);
+ outptr[0] = inptr[3];
+ outptr[1] = inptr[2];
+ outptr[2] = inptr[1];
+ outptr[3] = inptr[0];
+ }
- memcpy (data->outbuf, inbuf, do_write);
+ *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 (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*outptrp + 4 > outend)
+ result = __GCONV_FULL_OUTPUT;
+ else
+ result = __GCONV_INCOMPLETE_INPUT;
+
+ return result;
+}
+#endif
+
+
+static inline int
+__attribute ((always_inline))
+internal_ucs4_loop_single (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ mbstate_t *state = step_data->__statep;
+ size_t cnt = state->__count & 7;
+
+ while (*inptrp < inend && cnt < 4)
+ state->__value.__wchb[cnt++] = *(*inptrp)++;
- *inbuf -= do_write;
- *data->outbuf += do_write;
+ if (__glibc_unlikely (cnt < 4))
+ {
+ /* Still not enough bytes. Store the ones in the input buffer. */
+ state->__count &= ~7;
+ state->__count |= cnt;
+
+ return __GCONV_INCOMPLETE_INPUT;
}
- /* ### TODO Actually, this number must be devided according to the
- size of the input charset. I.e., if the input is in UCS4 the
- number of copied bytes must be divided by 4. */
- if (written != NULL)
- *written = do_write;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ (*outptrp)[0] = state->__value.__wchb[3];
+ (*outptrp)[1] = state->__value.__wchb[2];
+ (*outptrp)[2] = state->__value.__wchb[1];
+ (*outptrp)[3] = state->__value.__wchb[0];
+
+#elif __BYTE_ORDER == __BIG_ENDIAN
+ /* XXX unaligned */
+ (*outptrp)[0] = state->__value.__wchb[0];
+ (*outptrp)[1] = state->__value.__wchb[1];
+ (*outptrp)[2] = state->__value.__wchb[2];
+ (*outptrp)[3] = state->__value.__wchb[3];
+#else
+# error "This endianess is not supported."
+#endif
+ *outptrp += 4;
+
+ /* Clear the state buffer. */
+ state->__count &= ~7;
- return GCONV_OK;
+ return __GCONV_OK;
}
+#include <iconv/skeleton.c>
-/* Transform from the internal, UCS4-like format, to UCS4. The
- difference between the internal ucs4 format and the real UCS4
- format is, if any, the endianess. The Unicode/ISO 10646 says that
- unless some higher protocol specifies it differently, the byte
- order is big endian.*/
+
+/* Transform from UCS4 to the internal, UCS4-like format. Unlike
+ for the other direction we have to check for correct values here. */
#define DEFINE_INIT 0
#define DEFINE_FINI 0
#define MIN_NEEDED_FROM 4
#define MIN_NEEDED_TO 4
#define FROM_DIRECTION 1
-#define FROM_LOOP internal_ucs4_loop
-#define TO_LOOP internal_ucs4_loop /* This is not used. */
-#define FUNCTION_NAME __gconv_transform_internal_ucs4
+#define FROM_LOOP ucs4_internal_loop
+#define TO_LOOP ucs4_internal_loop /* This is not used. */
+#define FUNCTION_NAME __gconv_transform_ucs4_internal
+#define ONE_DIRECTION 0
static inline int
-internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend,
+__attribute ((always_inline))
+ucs4_internal_loop (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp, const unsigned char *inend,
unsigned char **outptrp, unsigned char *outend,
- mbstate_t *state, void *data, size_t *converted)
+ size_t *irreversible)
{
+ int flags = step_data->__flags;
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
+ size_t cnt;
+
+ for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ {
+ uint32_t inval;
#if __BYTE_ORDER == __LITTLE_ENDIAN
- /* Sigh, we have to do some real work. */
+ inval = bswap_32 (*(const uint32_t *) inptr);
+#else
+ inval = *(const uint32_t *) inptr;
+#endif
+
+ if (__glibc_unlikely (inval > 0x7fffffff))
+ {
+ /* The value is too large. We don't try transliteration here since
+ this is not an error because of the lack of possibilities to
+ represent the result. This is a genuine bug in the input since
+ UCS4 does not allow such values. */
+ if (irreversible == NULL)
+ /* We are transliterating, don't try to correct anything. */
+ return __GCONV_ILLEGAL_INPUT;
+
+ if (flags & __GCONV_IGNORE_ERRORS)
+ {
+ /* Just ignore this character. */
+ ++*irreversible;
+ continue;
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+ return __GCONV_ILLEGAL_INPUT;
+ }
+
+ *((uint32_t *) outptr) = inval;
+ outptr += sizeof (uint32_t);
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+
+ /* Determine the status. */
+ if (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*outptrp + 4 > outend)
+ result = __GCONV_FULL_OUTPUT;
+ else
+ result = __GCONV_INCOMPLETE_INPUT;
+
+ return result;
+}
+
+#if !_STRING_ARCH_unaligned
+static inline int
+__attribute ((always_inline))
+ucs4_internal_loop_unaligned (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ int flags = step_data->__flags;
+ const unsigned char *inptr = *inptrp;
+ unsigned char *outptr = *outptrp;
+ size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
+ int result;
size_t cnt;
- for (cnt = 0; cnt < n_convert; ++cnt)
- *((uint32_t *) outptr)++ = bswap_32 (*((uint32_t *) inptr)++);
+ for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ {
+ if (__glibc_unlikely (inptr[0] > 0x80))
+ {
+ /* The value is too large. We don't try transliteration here since
+ this is not an error because of the lack of possibilities to
+ represent the result. This is a genuine bug in the input since
+ UCS4 does not allow such values. */
+ if (irreversible == NULL)
+ /* We are transliterating, don't try to correct anything. */
+ return __GCONV_ILLEGAL_INPUT;
+
+ if (flags & __GCONV_IGNORE_ERRORS)
+ {
+ /* Just ignore this character. */
+ ++*irreversible;
+ continue;
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+ return __GCONV_ILLEGAL_INPUT;
+ }
+
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+ outptr[3] = inptr[0];
+ outptr[2] = inptr[1];
+ outptr[1] = inptr[2];
+ outptr[0] = inptr[3];
+# else
+ outptr[0] = inptr[0];
+ outptr[1] = inptr[1];
+ outptr[2] = inptr[2];
+ outptr[3] = inptr[3];
+# endif
+ outptr += 4;
+ }
*inptrp = inptr;
*outptrp = outptr;
+
+ /* Determine the status. */
+ if (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*outptrp + 4 > outend)
+ result = __GCONV_FULL_OUTPUT;
+ else
+ result = __GCONV_INCOMPLETE_INPUT;
+
+ return result;
+}
+#endif
+
+
+static inline int
+__attribute ((always_inline))
+ucs4_internal_loop_single (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ mbstate_t *state = step_data->__statep;
+ int flags = step_data->__flags;
+ size_t cnt = state->__count & 7;
+
+ while (*inptrp < inend && cnt < 4)
+ state->__value.__wchb[cnt++] = *(*inptrp)++;
+
+ if (__glibc_unlikely (cnt < 4))
+ {
+ /* Still not enough bytes. Store the ones in the input buffer. */
+ state->__count &= ~7;
+ state->__count |= cnt;
+
+ return __GCONV_INCOMPLETE_INPUT;
+ }
+
+ if (__builtin_expect (((unsigned char *) state->__value.__wchb)[0] > 0x80,
+ 0))
+ {
+ /* The value is too large. We don't try transliteration here since
+ this is not an error because of the lack of possibilities to
+ represent the result. This is a genuine bug in the input since
+ UCS4 does not allow such values. */
+ if (!(flags & __GCONV_IGNORE_ERRORS))
+ {
+ *inptrp -= cnt - (state->__count & 7);
+ return __GCONV_ILLEGAL_INPUT;
+ }
+ }
+ else
+ {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ (*outptrp)[0] = state->__value.__wchb[3];
+ (*outptrp)[1] = state->__value.__wchb[2];
+ (*outptrp)[2] = state->__value.__wchb[1];
+ (*outptrp)[3] = state->__value.__wchb[0];
#elif __BYTE_ORDER == __BIG_ENDIAN
+ (*outptrp)[0] = state->__value.__wchb[0];
+ (*outptrp)[1] = state->__value.__wchb[1];
+ (*outptrp)[2] = state->__value.__wchb[2];
+ (*outptrp)[3] = state->__value.__wchb[3];
+#endif
+
+ *outptrp += 4;
+ }
+
+ /* Clear the state buffer. */
+ state->__count &= ~7;
+
+ return __GCONV_OK;
+}
+
+#include <iconv/skeleton.c>
+
+
+/* Similarly for the little endian form. */
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 4
+#define MIN_NEEDED_TO 4
+#define FROM_DIRECTION 1
+#define FROM_LOOP internal_ucs4le_loop
+#define TO_LOOP internal_ucs4le_loop /* This is not used. */
+#define FUNCTION_NAME __gconv_transform_internal_ucs4le
+#define ONE_DIRECTION 0
+
+
+static inline int
+__attribute ((always_inline))
+internal_ucs4le_loop (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp, const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ 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;
+ uint32_t *outptr32 = (uint32_t *) outptr;
+
+ for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ *outptr32++ = bswap_32 (*(const uint32_t *) inptr);
+ outptr = (unsigned char *) outptr32;
+
+ *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);
#endif
/* Determine the status. */
- if (*outptrp == outend)
- result = GCONV_FULL_OUTPUT;
- else if (*inptrp == inend)
- result = GCONV_EMPTY_INPUT;
+ if (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*outptrp + 4 > outend)
+ result = __GCONV_FULL_OUTPUT;
else
- result = GCONV_INCOMPLETE_INPUT;
+ result = __GCONV_INCOMPLETE_INPUT;
+
+ return result;
+}
+
+#if !_STRING_ARCH_unaligned
+static inline int
+__attribute ((always_inline))
+internal_ucs4le_loop_unaligned (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ 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 += 4)
+ {
+ outptr[0] = inptr[3];
+ outptr[1] = inptr[2];
+ outptr[2] = inptr[1];
+ outptr[3] = inptr[0];
+ }
- if (converted != NULL)
- converted += n_convert;
+ *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 (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*inptrp + 4 > inend)
+ result = __GCONV_INCOMPLETE_INPUT;
+ else
+ {
+ assert (*outptrp + 4 > outend);
+ result = __GCONV_FULL_OUTPUT;
+ }
return result;
}
+#endif
+
+
+static inline int
+__attribute ((always_inline))
+internal_ucs4le_loop_single (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ mbstate_t *state = step_data->__statep;
+ size_t cnt = state->__count & 7;
+
+ while (*inptrp < inend && cnt < 4)
+ state->__value.__wchb[cnt++] = *(*inptrp)++;
+
+ if (__glibc_unlikely (cnt < 4))
+ {
+ /* Still not enough bytes. Store the ones in the input buffer. */
+ state->__count &= ~7;
+ state->__count |= cnt;
+
+ return __GCONV_INCOMPLETE_INPUT;
+ }
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+ (*outptrp)[0] = state->__value.__wchb[3];
+ (*outptrp)[1] = state->__value.__wchb[2];
+ (*outptrp)[2] = state->__value.__wchb[1];
+ (*outptrp)[3] = state->__value.__wchb[0];
+
+#else
+ /* XXX unaligned */
+ (*outptrp)[0] = state->__value.__wchb[0];
+ (*outptrp)[1] = state->__value.__wchb[1];
+ (*outptrp)[2] = state->__value.__wchb[2];
+ (*outptrp)[3] = state->__value.__wchb[3];
+
+#endif
+
+ *outptrp += 4;
+
+ /* Clear the state buffer. */
+ state->__count &= ~7;
+
+ return __GCONV_OK;
+}
+
+#include <iconv/skeleton.c>
+
+
+/* And finally from UCS4-LE to the internal encoding. */
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 4
+#define MIN_NEEDED_TO 4
+#define FROM_DIRECTION 1
+#define FROM_LOOP ucs4le_internal_loop
+#define TO_LOOP ucs4le_internal_loop /* This is not used. */
+#define FUNCTION_NAME __gconv_transform_ucs4le_internal
+#define ONE_DIRECTION 0
+
+
+static inline int
+__attribute ((always_inline))
+ucs4le_internal_loop (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp, const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ int flags = step_data->__flags;
+ const unsigned char *inptr = *inptrp;
+ unsigned char *outptr = *outptrp;
+ size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
+ int result;
+ size_t cnt;
+
+ for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ {
+ uint32_t inval;
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+ inval = bswap_32 (*(const uint32_t *) inptr);
+#else
+ inval = *(const uint32_t *) inptr;
+#endif
+
+ if (__glibc_unlikely (inval > 0x7fffffff))
+ {
+ /* The value is too large. We don't try transliteration here since
+ this is not an error because of the lack of possibilities to
+ represent the result. This is a genuine bug in the input since
+ UCS4 does not allow such values. */
+ if (irreversible == NULL)
+ /* We are transliterating, don't try to correct anything. */
+ return __GCONV_ILLEGAL_INPUT;
+
+ if (flags & __GCONV_IGNORE_ERRORS)
+ {
+ /* Just ignore this character. */
+ ++*irreversible;
+ continue;
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+ return __GCONV_ILLEGAL_INPUT;
+ }
+
+ *((uint32_t *) outptr) = inval;
+ outptr += sizeof (uint32_t);
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+
+ /* Determine the status. */
+ if (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*inptrp + 4 > inend)
+ result = __GCONV_INCOMPLETE_INPUT;
+ else
+ {
+ assert (*outptrp + 4 > outend);
+ result = __GCONV_FULL_OUTPUT;
+ }
+
+ return result;
+}
+
+#if !_STRING_ARCH_unaligned
+static inline int
+__attribute ((always_inline))
+ucs4le_internal_loop_unaligned (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ int flags = step_data->__flags;
+ const unsigned char *inptr = *inptrp;
+ unsigned char *outptr = *outptrp;
+ size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
+ int result;
+ size_t cnt;
+
+ for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ {
+ if (__glibc_unlikely (inptr[3] > 0x80))
+ {
+ /* The value is too large. We don't try transliteration here since
+ this is not an error because of the lack of possibilities to
+ represent the result. This is a genuine bug in the input since
+ UCS4 does not allow such values. */
+ if (irreversible == NULL)
+ /* We are transliterating, don't try to correct anything. */
+ return __GCONV_ILLEGAL_INPUT;
+
+ if (flags & __GCONV_IGNORE_ERRORS)
+ {
+ /* Just ignore this character. */
+ ++*irreversible;
+ continue;
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+ return __GCONV_ILLEGAL_INPUT;
+ }
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+ outptr[3] = inptr[0];
+ outptr[2] = inptr[1];
+ outptr[1] = inptr[2];
+ outptr[0] = inptr[3];
+# else
+ outptr[0] = inptr[0];
+ outptr[1] = inptr[1];
+ outptr[2] = inptr[2];
+ outptr[3] = inptr[3];
+# endif
+
+ outptr += 4;
+ }
+
+ *inptrp = inptr;
+ *outptrp = outptr;
+
+ /* Determine the status. */
+ if (*inptrp == inend)
+ result = __GCONV_EMPTY_INPUT;
+ else if (*inptrp + 4 > inend)
+ result = __GCONV_INCOMPLETE_INPUT;
+ else
+ {
+ assert (*outptrp + 4 > outend);
+ result = __GCONV_FULL_OUTPUT;
+ }
+
+ return result;
+}
+#endif
+
+
+static inline int
+__attribute ((always_inline))
+ucs4le_internal_loop_single (struct __gconv_step *step,
+ struct __gconv_step_data *step_data,
+ const unsigned char **inptrp,
+ const unsigned char *inend,
+ unsigned char **outptrp, unsigned char *outend,
+ size_t *irreversible)
+{
+ mbstate_t *state = step_data->__statep;
+ int flags = step_data->__flags;
+ size_t cnt = state->__count & 7;
+
+ while (*inptrp < inend && cnt < 4)
+ state->__value.__wchb[cnt++] = *(*inptrp)++;
+
+ if (__glibc_unlikely (cnt < 4))
+ {
+ /* Still not enough bytes. Store the ones in the input buffer. */
+ state->__count &= ~7;
+ state->__count |= cnt;
+
+ return __GCONV_INCOMPLETE_INPUT;
+ }
+
+ if (__builtin_expect (((unsigned char *) state->__value.__wchb)[3] > 0x80,
+ 0))
+ {
+ /* The value is too large. We don't try transliteration here since
+ this is not an error because of the lack of possibilities to
+ represent the result. This is a genuine bug in the input since
+ UCS4 does not allow such values. */
+ if (!(flags & __GCONV_IGNORE_ERRORS))
+ return __GCONV_ILLEGAL_INPUT;
+ }
+ else
+ {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ (*outptrp)[0] = state->__value.__wchb[3];
+ (*outptrp)[1] = state->__value.__wchb[2];
+ (*outptrp)[2] = state->__value.__wchb[1];
+ (*outptrp)[3] = state->__value.__wchb[0];
+#else
+ (*outptrp)[0] = state->__value.__wchb[0];
+ (*outptrp)[1] = state->__value.__wchb[1];
+ (*outptrp)[2] = state->__value.__wchb[2];
+ (*outptrp)[3] = state->__value.__wchb[3];
+#endif
+
+ *outptrp += 4;
+ }
+
+ /* Clear the state buffer. */
+ state->__count &= ~7;
+
+ return __GCONV_OK;
+}
#include <iconv/skeleton.c>
#define FROM_LOOP ascii_internal_loop
#define TO_LOOP ascii_internal_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_ascii_internal
+#define ONE_DIRECTION 1
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
- if (*inptr > '\x7f') \
+ if (__glibc_unlikely (*inptr > '\x7f')) \
{ \
- /* This is no correct ANSI_X3.4-1968 character. */ \
- result = GCONV_ILLEGAL_INPUT; \
- break; \
+ /* The value is too large. We don't try transliteration here since \
+ this is not an error because of the lack of possibilities to \
+ represent the result. This is a genuine bug in the input since \
+ ASCII does not allow such values. */ \
+ STANDARD_FROM_LOOP_ERR_HANDLER (1); \
+ } \
+ else \
+ { \
+ /* It's an one byte sequence. */ \
+ *((uint32_t *) outptr) = *inptr++; \
+ outptr += sizeof (uint32_t); \
} \
- \
- /* It's an one byte sequence. */ \
- *((uint32_t *) outptr)++ = *inptr++; \
}
+#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
#include <iconv/skeleton.c>
#define FROM_LOOP internal_ascii_loop
#define TO_LOOP internal_ascii_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_internal_ascii
+#define ONE_DIRECTION 1
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
- if (*((uint32_t *) inptr) > '\x7f') \
+ if (__glibc_unlikely (*((const uint32_t *) inptr) > 0x7f)) \
{ \
- /* This is no correct ANSI_X3.4-1968 character. */ \
- result = GCONV_ILLEGAL_INPUT; \
- break; \
+ UNICODE_TAG_HANDLER (*((const uint32_t *) inptr), 4); \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ } \
+ else \
+ { \
+ /* It's an one byte sequence. */ \
+ *outptr++ = *((const uint32_t *) inptr); \
+ inptr += sizeof (uint32_t); \
} \
- \
- /* It's an one byte sequence. */ \
- *outptr++ = *((uint32_t *) inptr)++; \
}
+#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
#include <iconv/skeleton.c>
#define FROM_LOOP internal_utf8_loop
#define TO_LOOP internal_utf8_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_internal_utf8
+#define ONE_DIRECTION 1
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
- uint32_t wc = *((uint32_t *) inptr); \
- \
- /* Since we control every character we read this cannot happen. */ \
- assert (wc <= 0x7fffffff); \
+ uint32_t wc = *((const uint32_t *) inptr); \
\
- if (wc < 0x80) \
+ if (__glibc_likely (wc < 0x80)) \
/* It's an one byte sequence. */ \
*outptr++ = (unsigned char) wc; \
- else \
+ else if (__glibc_likely (wc <= 0x7fffffff \
+ && (wc < 0xd800 || wc > 0xdfff))) \
{ \
size_t step; \
- char *start; \
+ unsigned char *start; \
\
for (step = 2; step < 6; ++step) \
- if ((wc & encoding_mask[step - 2]) == 0) \
+ if ((wc & (~(uint32_t)0 << (5 * step + 1))) == 0) \
break; \
\
- if (outptr + step >= outend) \
+ if (__glibc_unlikely (outptr + step > outend)) \
{ \
/* Too long. */ \
- result = GCONV_FULL_OUTPUT; \
+ result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
start = outptr; \
- *outptr = encoding_byte[step - 2]; \
+ *outptr = (unsigned char) (~0xff >> step); \
outptr += step; \
- --step; \
do \
{ \
- start[step] = 0x80 | (wc & 0x3f); \
+ start[--step] = 0x80 | (wc & 0x3f); \
wc >>= 6; \
} \
- while (--step > 0); \
+ while (step > 1); \
start[0] |= wc; \
+ } \
+ else \
+ { \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
} \
\
inptr += 4; \
}
+#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
#include <iconv/skeleton.c>
#define FROM_LOOP utf8_internal_loop
#define TO_LOOP utf8_internal_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_utf8_internal
+#define ONE_DIRECTION 1
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
- uint32_t ch; \
- uint_fast32_t cnt; \
- uint_fast32_t i; \
- \
/* Next input byte. */ \
- ch = *inptr; \
+ uint32_t ch = *inptr; \
+ \
+ if (__glibc_likely (ch < 0x80)) \
+ { \
+ /* One byte sequence. */ \
+ ++inptr; \
+ } \
+ else \
+ { \
+ uint_fast32_t cnt; \
+ uint_fast32_t i; \
+ \
+ if (ch >= 0xc2 && ch < 0xe0) \
+ { \
+ /* We expect two bytes. The first byte cannot be 0xc0 or 0xc1, \
+ otherwise the wide character could have been represented \
+ using a single byte. */ \
+ cnt = 2; \
+ ch &= 0x1f; \
+ } \
+ else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \
+ { \
+ /* We expect three bytes. */ \
+ cnt = 3; \
+ ch &= 0x0f; \
+ } \
+ else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \
+ { \
+ /* We expect four bytes. */ \
+ cnt = 4; \
+ ch &= 0x07; \
+ } \
+ else if (__glibc_likely ((ch & 0xfc) == 0xf8)) \
+ { \
+ /* We expect five bytes. */ \
+ cnt = 5; \
+ ch &= 0x03; \
+ } \
+ else if (__glibc_likely ((ch & 0xfe) == 0xfc)) \
+ { \
+ /* We expect six bytes. */ \
+ cnt = 6; \
+ ch &= 0x01; \
+ } \
+ else \
+ { \
+ /* Search the end of this ill-formed UTF-8 character. This \
+ is the next byte with (x & 0xc0) != 0x80. */ \
+ i = 0; \
+ do \
+ ++i; \
+ while (inptr + i < inend \
+ && (*(inptr + i) & 0xc0) == 0x80 \
+ && i < 5); \
\
- if (ch < 0x80) \
- /* One byte sequence. */ \
- cnt = 1; \
- else if ((ch & 0xe0) == 0xc0) \
+ errout: \
+ STANDARD_FROM_LOOP_ERR_HANDLER (i); \
+ } \
+ \
+ if (__glibc_unlikely (inptr + cnt > inend)) \
+ { \
+ /* We don't have enough input. But before we report that check \
+ that all the bytes are correct. */ \
+ for (i = 1; inptr + i < inend; ++i) \
+ if ((inptr[i] & 0xc0) != 0x80) \
+ break; \
+ \
+ if (__glibc_likely (inptr + i == inend)) \
+ { \
+ result = __GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ \
+ goto errout; \
+ } \
+ \
+ /* Read the possible remaining bytes. */ \
+ for (i = 1; i < cnt; ++i) \
+ { \
+ uint32_t byte = inptr[i]; \
+ \
+ if ((byte & 0xc0) != 0x80) \
+ /* This is an illegal encoding. */ \
+ break; \
+ \
+ ch <<= 6; \
+ ch |= byte & 0x3f; \
+ } \
+ \
+ /* If i < cnt, some trail byte was not >= 0x80, < 0xc0. \
+ If cnt > 2 and ch < 2^(5*cnt-4), the wide character ch could \
+ have been represented with fewer than cnt bytes. */ \
+ if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0) \
+ /* Do not accept UTF-16 surrogates. */ \
+ || (ch >= 0xd800 && ch <= 0xdfff)) \
+ { \
+ /* This is an illegal encoding. */ \
+ goto errout; \
+ } \
+ \
+ inptr += cnt; \
+ } \
+ \
+ /* Now adjust the pointers and store the result. */ \
+ *((uint32_t *) outptr) = ch; \
+ outptr += sizeof (uint32_t); \
+ }
+#define LOOP_NEED_FLAGS
+
+#define STORE_REST \
+ { \
+ /* We store the remaining bytes while converting them into the UCS4 \
+ format. We can assume that the first byte in the buffer is \
+ correct and that it requires a larger number of bytes than there \
+ are in the input buffer. */ \
+ wint_t ch = **inptrp; \
+ size_t cnt, r; \
+ \
+ state->__count = inend - *inptrp; \
+ \
+ assert (ch != 0xc0 && ch != 0xc1); \
+ if (ch >= 0xc2 && ch < 0xe0) \
{ \
+ /* We expect two bytes. The first byte cannot be 0xc0 or \
+ 0xc1, otherwise the wide character could have been \
+ represented using a single byte. */ \
cnt = 2; \
ch &= 0x1f; \
} \
- else if ((ch & 0xf0) == 0xe0) \
+ else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \
{ \
/* We expect three bytes. */ \
cnt = 3; \
ch &= 0x0f; \
} \
- else if ((ch & 0xf8) == 0xf0) \
+ else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \
{ \
/* We expect four bytes. */ \
cnt = 4; \
ch &= 0x07; \
} \
- else if ((ch & 0xfc) == 0xf8) \
+ else if (__glibc_likely ((ch & 0xfc) == 0xf8)) \
{ \
/* We expect five bytes. */ \
cnt = 5; \
ch &= 0x03; \
} \
- else if ((ch & 0xfe) == 0xfc) \
+ else \
{ \
/* We expect six bytes. */ \
cnt = 6; \
ch &= 0x01; \
- } \
- else \
- { \
- /* This is an illegal encoding. */ \
- result = GCONV_ILLEGAL_INPUT; \
- break; \
} \
\
- if (NEED_LENGTH_TEST && inptr + cnt >= inend) \
+ /* The first byte is already consumed. */ \
+ r = cnt - 1; \
+ while (++(*inptrp) < inend) \
{ \
- /* We don't have enough input. */ \
- result = GCONV_INCOMPLETE_INPUT; \
- break; \
+ ch <<= 6; \
+ ch |= **inptrp & 0x3f; \
+ --r; \
} \
\
- /* Read the possible remaining bytes. */ \
- for (i = 1; i < cnt; ++i) \
- { \
- uint32_t byte = inptr[i]; \
+ /* Shift for the so far missing bytes. */ \
+ ch <<= r * 6; \
\
- if ((byte & 0xc0) != 0x80) \
- { \
- /* This is an illegal encoding. */ \
- result = GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Store the number of bytes expected for the entire sequence. */ \
+ state->__count |= cnt << 8; \
\
- ch <<= 6; \
- ch |= byte & 0x3f; \
+ /* Store the value. */ \
+ state->__value.__wch = ch; \
+ }
+
+#define UNPACK_BYTES \
+ { \
+ static const unsigned char inmask[5] = { 0xc0, 0xe0, 0xf0, 0xf8, 0xfc }; \
+ wint_t wch = state->__value.__wch; \
+ size_t ntotal = state->__count >> 8; \
+ \
+ inlen = state->__count & 255; \
+ \
+ bytebuf[0] = inmask[ntotal - 2]; \
+ \
+ do \
+ { \
+ if (--ntotal < inlen) \
+ bytebuf[ntotal] = 0x80 | (wch & 0x3f); \
+ wch >>= 6; \
} \
+ while (ntotal > 1); \
\
- /* Now adjust the pointers and store the result. */ \
- inptr += cnt; \
- *((uint32_t *) outptr)++ = ch; \
+ bytebuf[0] |= wch; \
}
+
+#define CLEAR_STATE \
+ state->__count = 0
+
+
#include <iconv/loop.c>
#include <iconv/skeleton.c>
#define FROM_LOOP ucs2_internal_loop
#define TO_LOOP ucs2_internal_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_ucs2_internal
+#define ONE_DIRECTION 1
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define BODY \
- *((uint32_t *) outptr)++ = bswap_16 (*((uint16_t *) inptr)++);
-#else
-# define BODY \
- *((uint32_t *) outptr)++ = *((uint16_t *) inptr)++;
-#endif
+#define BODY \
+ { \
+ uint16_t u1 = get16 (inptr); \
+ \
+ if (__glibc_unlikely (u1 >= 0xd800 && u1 < 0xe000)) \
+ { \
+ /* Surrogate characters in UCS-2 input are not valid. Reject \
+ them. (Catching this here is not security relevant.) */ \
+ STANDARD_FROM_LOOP_ERR_HANDLER (2); \
+ } \
+ \
+ *((uint32_t *) outptr) = u1; \
+ outptr += sizeof (uint32_t); \
+ inptr += 2; \
+ }
+#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
#include <iconv/skeleton.c>
#define FROM_LOOP internal_ucs2_loop
#define TO_LOOP internal_ucs2_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_internal_ucs2
+#define ONE_DIRECTION 1
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define BODY \
+#define BODY \
{ \
- if (*((uint32_t *) inptr) >= 0x10000) \
+ uint32_t val = *((const uint32_t *) inptr); \
+ \
+ if (__glibc_unlikely (val >= 0x10000)) \
{ \
- result = GCONV_ILLEGAL_INPUT; \
- break; \
+ UNICODE_TAG_HANDLER (val, 4); \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ } \
+ else if (__glibc_unlikely (val >= 0xd800 && val < 0xe000)) \
+ { \
+ /* Surrogate characters in UCS-4 input are not valid. \
+ We must catch this, because the UCS-2 output might be \
+ interpreted as UTF-16 by other programs. If we let \
+ surrogates pass through, attackers could make a security \
+ hole exploit by synthesizing any desired plane 1-16 \
+ character. */ \
+ result = __GCONV_ILLEGAL_INPUT; \
+ if (! ignore_errors_p ()) \
+ break; \
+ inptr += 4; \
+ ++*irreversible; \
+ continue; \
+ } \
+ else \
+ { \
+ put16 (outptr, val); \
+ outptr += sizeof (uint16_t); \
+ inptr += 4; \
} \
- /* Please note that we use the `uint32_t' from-pointer as an `uint16_t' \
- pointer which works since we are on a little endian machine. */ \
- *((uint16_t *) outptr)++ = bswap_16 (*((uint16_t *) inptr)); \
- inptr += 4; \
}
-#else
-# define BODY \
+#define LOOP_NEED_FLAGS
+#include <iconv/loop.c>
+#include <iconv/skeleton.c>
+
+
+/* Convert from UCS2 in other endianness to the internal (UCS4-like) format. */
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 2
+#define MIN_NEEDED_TO 4
+#define FROM_DIRECTION 1
+#define FROM_LOOP ucs2reverse_internal_loop
+#define TO_LOOP ucs2reverse_internal_loop/* This is not used.*/
+#define FUNCTION_NAME __gconv_transform_ucs2reverse_internal
+#define ONE_DIRECTION 1
+
+#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define LOOPFCT FROM_LOOP
+#define BODY \
+ { \
+ uint16_t u1 = bswap_16 (get16 (inptr)); \
+ \
+ if (__glibc_unlikely (u1 >= 0xd800 && u1 < 0xe000)) \
+ { \
+ /* Surrogate characters in UCS-2 input are not valid. Reject \
+ them. (Catching this here is not security relevant.) */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ inptr += 2; \
+ ++*irreversible; \
+ continue; \
+ } \
+ \
+ *((uint32_t *) outptr) = u1; \
+ outptr += sizeof (uint32_t); \
+ inptr += 2; \
+ }
+#define LOOP_NEED_FLAGS
+#include <iconv/loop.c>
+#include <iconv/skeleton.c>
+
+
+/* Convert from the internal (UCS4-like) format to UCS2 in other endianness. */
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 4
+#define MIN_NEEDED_TO 2
+#define FROM_DIRECTION 1
+#define FROM_LOOP internal_ucs2reverse_loop
+#define TO_LOOP internal_ucs2reverse_loop/* This is not used.*/
+#define FUNCTION_NAME __gconv_transform_internal_ucs2reverse
+#define ONE_DIRECTION 1
+
+#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define LOOPFCT FROM_LOOP
+#define BODY \
{ \
- if (*((uint32_t *) inptr) >= 0x10000) \
+ uint32_t val = *((const uint32_t *) inptr); \
+ if (__glibc_unlikely (val >= 0x10000)) \
+ { \
+ UNICODE_TAG_HANDLER (val, 4); \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ } \
+ else if (__glibc_unlikely (val >= 0xd800 && val < 0xe000)) \
{ \
- result = GCONV_ILLEGAL_INPUT; \
- break; \
+ /* Surrogate characters in UCS-4 input are not valid. \
+ We must catch this, because the UCS-2 output might be \
+ interpreted as UTF-16 by other programs. If we let \
+ surrogates pass through, attackers could make a security \
+ hole exploit by synthesizing any desired plane 1-16 \
+ character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ inptr += 4; \
+ ++*irreversible; \
+ continue; \
+ } \
+ else \
+ { \
+ put16 (outptr, bswap_16 (val)); \
+ outptr += sizeof (uint16_t); \
+ inptr += 4; \
} \
- *((uint16_t *) outptr)++ = *((uint32_t *) inptr)++; \
}
-#endif
+#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
#include <iconv/skeleton.c>
projects / thirdparty / glibc.git / blobdiff