diff options
Diffstat (limited to 'wcsmbs/mbsrtowcs.c')
| -rw-r--r-- | wcsmbs/mbsrtowcs.c | 137 |
1 files changed, 3 insertions, 134 deletions
diff --git a/wcsmbs/mbsrtowcs.c b/wcsmbs/mbsrtowcs.c index 602dd5e64c..6c0015734c 100644 --- a/wcsmbs/mbsrtowcs.c +++ b/wcsmbs/mbsrtowcs.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996,1997,1998,1999,2000,2002 Free Software Foundation, Inc. +/* Copyright (C) 1996-2000,2002,2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.org>, 1996. @@ -17,31 +17,10 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <dlfcn.h> -#include <errno.h> -#include <gconv.h> -#include <stdlib.h> -#include <string.h> #include <wchar.h> -#include <wcsmbsload.h> +#include <locale/localeinfo.h> -#include <assert.h> -#ifndef EILSEQ -# define EILSEQ EINVAL -#endif - - -#ifdef USE_IN_EXTENDED_LOCALE_MODEL -size_t -attribute_hidden -__mbsrtowcs_l (dst, src, len, ps, l) - wchar_t *dst; - const char **src; - size_t len; - mbstate_t *ps; - __locale_t l; -#else /* This is the private state used if PS is NULL. */ static mbstate_t state; @@ -51,117 +30,7 @@ __mbsrtowcs (dst, src, len, ps) const char **src; size_t len; mbstate_t *ps; -#endif { - struct __gconv_step_data data; - size_t result; - int status; - struct __gconv_step *towc; - size_t non_reversible; - const struct gconv_fcts *fcts; - - /* Tell where we want the result. */ - data.__invocation_counter = 0; - data.__internal_use = 1; - data.__flags = __GCONV_IS_LAST; -#ifdef USE_IN_EXTENDED_LOCALE_MODEL - data.__statep = ps; -#else - data.__statep = ps ?: &state; -#endif - data.__trans = NULL; - - /* Get the conversion functions. */ -#ifdef USE_IN_EXTENDED_LOCALE_MODEL - fcts = get_gconv_fcts (l->__locales[LC_CTYPE]); -#else - fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE)); -#endif - - /* Get the structure with the function pointers. */ - towc = fcts->towc; - - /* We have to handle DST == NULL special. */ - if (dst == NULL) - { - mbstate_t temp_state; - wchar_t buf[64]; /* Just an arbitrary size. */ - const unsigned char *inbuf = (const unsigned char *) *src; - const unsigned char *srcend = inbuf + strlen (inbuf) + 1; - - temp_state = *data.__statep; - data.__statep = &temp_state; - - result = 0; - data.__outbufend = (char *) buf + sizeof (buf); - do - { - data.__outbuf = (char *) buf; - - status = DL_CALL_FCT (towc->__fct, - (towc, &data, &inbuf, srcend, NULL, - &non_reversible, 0, 1)); - - result += (wchar_t *) data.__outbuf - buf; - } - while (status == __GCONV_FULL_OUTPUT); - - if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT) - { - /* There better should be a NUL wide char at the end. */ - assert (((wchar_t *) data.__outbuf)[-1] == L'\0'); - /* Don't count the NUL character in. */ - --result; - } - } - else - { - /* This code is based on the safe assumption that all internal - multi-byte encodings use the NUL byte only to mark the end - of the string. */ - const unsigned char *srcend; - - srcend = (const unsigned char *) (*src - + __strnlen (*src, len * MB_CUR_MAX) - + 1); - - data.__outbuf = (unsigned char *) dst; - data.__outbufend = data.__outbuf + len * sizeof (wchar_t); - - status = DL_CALL_FCT (towc->__fct, - (towc, &data, (const unsigned char **) src, srcend, - NULL, &non_reversible, 0, 1)); - - result = (wchar_t *) data.__outbuf - dst; - - /* We have to determine whether the last character converted - is the NUL character. */ - if ((status == __GCONV_OK || status == __GCONV_EMPTY_INPUT) - && ((wchar_t *) dst)[result - 1] == L'\0') - { - assert (result > 0); - assert (__mbsinit (data.__statep)); - *src = NULL; - --result; - } - } - - /* There must not be any problems with the conversion but illegal input - characters. */ - assert (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT - || status == __GCONV_ILLEGAL_INPUT - || status == __GCONV_INCOMPLETE_INPUT - || status == __GCONV_FULL_OUTPUT); - - if (status != __GCONV_OK && status != __GCONV_FULL_OUTPUT - && status != __GCONV_EMPTY_INPUT && status != __GCONV_INCOMPLETE_INPUT) - { - result = (size_t) -1; - __set_errno (EILSEQ); - } - - return result; + return __mbsrtowcs_l (dst, src, len, ps ?: &state, _NL_CURRENT_LOCALE); } -#ifndef USE_IN_EXTENDED_LOCALE_MODEL weak_alias (__mbsrtowcs, mbsrtowcs) -#endif |