/* Find matching transformation algorithms and initialize steps.
- Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997-2014 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 <errno.h>
+#include <locale.h>
+#include "../locale/localeinfo.h"
#include <stdlib.h>
#include <string.h>
errhand = strchr (toset, '/');
if (errhand != NULL)
errhand = strchr (errhand + 1, '/');
- if (__builtin_expect (errhand != NULL, 1))
+ if (__glibc_likely (errhand != NULL))
{
if (*++errhand == '\0')
errhand = NULL;
/* Make copy without the error handling description. */
char *newtoset = (char *) alloca (errhand - toset + 1);
char *tok;
- char *ptr;
+ char *ptr = NULL /* Work around a bogus warning */;
newtoset[errhand - toset] = '\0';
toset = memcpy (newtoset, toset, errhand - toset);
tok = __strtok_r (tok, ",", &ptr);
while (tok != NULL)
{
- if (__strcasecmp (tok, "TRANSLIT") == 0)
+ if (__strcasecmp_l (tok, "TRANSLIT", _nl_C_locobj_ptr) == 0)
{
/* It's the builtin transliteration handling. We only
support it for working on the internal encoding. */
- static const char *internal_trans_names[1] = { "INTERNAL" };
+ static const char *const internal_trans_names[1]
+ = { "INTERNAL" };
struct trans_struct *lastp = NULL;
struct trans_struct *runp;
/* We leave the `name' field zero to signal that
this is an internal transliteration step. */
- newp->csnames = internal_trans_names;
+ newp->csnames = (const char **) internal_trans_names;
newp->ncsnames = 1;
newp->trans_fct = __gconv_transliterate;
lastp->next = newp;
}
}
- else if (__strcasecmp (tok, "IGNORE") == 0)
+ else if (__strcasecmp_l (tok, "IGNORE", _nl_C_locobj_ptr) == 0)
/* Set the flag to ignore all errors. */
- flags = __GCONV_IGNORE_ERRORS;
+ conv_flags |= __GCONV_IGNORE_ERRORS;
else
{
/* `tok' is possibly a module name. We'll see later
for (runp = trans; runp != NULL; runp = runp->next)
if (runp->name != NULL
- && __strcasecmp (tok, runp->name) == 0)
+ && __strcasecmp_l (tok, runp->name,
+ _nl_C_locobj_ptr) == 0)
break;
else
lastp = runp;
fromset = memcpy (newfromset, fromset, ignore - fromset);
}
+ /* If the string is empty define this to mean the charset of the
+ currently selected locale. */
+ if (strcmp (toset, "//") == 0)
+ {
+ const char *codeset = _NL_CURRENT (LC_CTYPE, CODESET);
+ size_t len = strlen (codeset);
+ char *dest;
+ toset = dest = (char *) alloca (len + 3);
+ memcpy (__mempcpy (dest, codeset, len), "//", 3);
+ }
+ if (strcmp (fromset, "//") == 0)
+ {
+ const char *codeset = _NL_CURRENT (LC_CTYPE, CODESET);
+ size_t len = strlen (codeset);
+ char *dest;
+ fromset = dest = (char *) alloca (len + 3);
+ memcpy (__mempcpy (dest, codeset, len), "//", 3);
+ }
+
res = __gconv_find_transform (toset, fromset, &steps, &nsteps, flags);
if (res == __GCONV_OK)
{
|| __builtin_expect (__gconv_translit_find (runp), 0) == 0)
lastp = runp;
else
- /* This means we haven't found the module. Remove it. */
- (lastp == NULL ? trans : lastp->next) = runp->next;
+ {
+ /* This means we haven't found the module. Remove it. */
+ if (lastp == NULL)
+ trans = runp->next;
+ else
+ lastp->next = runp->next;
+ }
}
/* Allocate room for handle. */
/* Call all initialization functions for the transformation
step implementations. */
- for (cnt = 0; cnt < nsteps - 1; ++cnt)
+ for (cnt = 0; cnt < nsteps; ++cnt)
{
size_t size;
/* Would have to be done if we would not clear the whole
array above. */
- /* If this is the last step we must not allocate an
- output buffer. */
- result->__data[cnt].__flags = conv_flags;
-
#if 0
/* Reset the counter. */
result->__data[cnt].__invocation_counter = 0;
/* We use the `mbstate_t' member in DATA. */
result->__data[cnt].__statep = &result->__data[cnt].__state;
- /* Allocate the buffer. */
- size = (GCONV_NCHAR_GOAL * steps[cnt].__max_needed_to);
-
- result->__data[cnt].__outbuf = (char *) malloc (size);
- if (result->__data[cnt].__outbuf == NULL)
- goto bail;
-
- result->__data[cnt].__outbufend =
- result->__data[cnt].__outbuf + size;
-
/* Now see whether we can use any of the transliteration
modules for this step. */
for (runp = trans; runp != NULL; runp = runp->next)
for (n = 0; n < runp->ncsnames; ++n)
- if (__strcasecmp (steps[cnt].__from_name,
- runp->csnames[n]) == 0)
+ if (__strcasecmp_l (steps[cnt].__from_name,
+ runp->csnames[n], _nl_C_locobj_ptr) == 0)
{
void *data = NULL;
/* Match! Now try the initializer. */
if (runp->trans_init_fct == NULL
- || (runp->trans_init_fct (data, steps[cnt].__to_name)
+ || (runp->trans_init_fct (&data,
+ steps[cnt].__to_name)
== __GCONV_OK))
{
/* Append at the end of the list. */
struct __gconv_trans_data *newp;
- struct __gconv_trans_data *endp;
- struct __gconv_trans_data *lastp;
+ struct __gconv_trans_data **lastp;
newp = (struct __gconv_trans_data *)
malloc (sizeof (struct __gconv_trans_data));
if (newp == NULL)
- goto bail;
+ {
+ res = __GCONV_NOMEM;
+ goto bail;
+ }
newp->__trans_fct = runp->trans_fct;
newp->__trans_context_fct = runp->trans_context_fct;
newp->__trans_end_fct = runp->trans_end_fct;
+ newp->__data = data;
+ newp->__next = NULL;
- lastp = NULL;
- for (endp = result->__data[cnt].__trans;
- endp != NULL; endp = endp->__next)
- lastp = endp;
+ lastp = &result->__data[cnt].__trans;
+ while (*lastp != NULL)
+ lastp = &(*lastp)->__next;
- if (lastp == NULL)
- result->__data[cnt].__trans = newp;
- else
- lastp->__next = newp;
+ *lastp = newp;
}
break;
}
- }
- /* Now handle the last entry. */
- result->__data[cnt].__flags = conv_flags | __GCONV_IS_LAST;
- /* Would have to be done if we would not clear the whole
- array above. */
-#if 0
- result->__data[cnt].__invocation_counter = 0;
- result->__data[cnt].__internal_use = 0;
-#endif
- result->__data[cnt].__statep = &result->__data[cnt].__state;
-
- /* Now see whether we can use the transliteration module
- for this step. */
- for (runp = trans; runp != NULL; runp = runp->next)
- for (n = 0; n < runp->ncsnames; ++n)
- if (__strcasecmp (steps[cnt].__from_name, runp->csnames[n]) == 0)
+ /* If this is the last step we must not allocate an
+ output buffer. */
+ if (cnt < nsteps - 1)
{
- void *data = NULL;
+ result->__data[cnt].__flags = conv_flags;
- /* Match! Now try the initializer. */
- if (runp->trans_init_fct == NULL
- || (runp->trans_init_fct (data, steps[cnt].__to_name)
- == __GCONV_OK))
- {
- /* Append at the end of the list. */
- struct __gconv_trans_data *newp;
- struct __gconv_trans_data *endp;
- struct __gconv_trans_data *lastp;
-
- newp = (struct __gconv_trans_data *)
- malloc (sizeof (struct __gconv_trans_data));
- if (newp == NULL)
- goto bail;
+ /* Allocate the buffer. */
+ size = (GCONV_NCHAR_GOAL * steps[cnt].__max_needed_to);
- newp->__trans_fct = runp->trans_fct;
- newp->__trans_context_fct = runp->trans_context_fct;
- newp->__trans_end_fct = runp->trans_end_fct;
+ result->__data[cnt].__outbuf = malloc (size);
+ if (result->__data[cnt].__outbuf == NULL)
+ {
+ res = __GCONV_NOMEM;
+ goto bail;
+ }
- lastp = NULL;
- for (endp = result->__data[cnt].__trans;
- endp != NULL; endp = endp->__next)
- lastp = endp;
+ result->__data[cnt].__outbufend =
+ result->__data[cnt].__outbuf + size;
+ }
+ else
+ {
+ /* Handle the last entry. */
+ result->__data[cnt].__flags = conv_flags | __GCONV_IS_LAST;
- if (lastp == NULL)
- result->__data[cnt].__trans = newp;
- else
- lastp->__next = newp;
- }
break;
}
+ }
}
if (res != __GCONV_OK)
struct __gconv_trans_data *curp = transp;
transp = transp->__next;
- if (__builtin_expect (curp->__trans_end_fct != NULL, 0))
+ if (__glibc_unlikely (curp->__trans_end_fct != NULL))
curp->__trans_end_fct (curp->__data);
free (curp);