diff options
Diffstat (limited to 'intl/dcgettext.c')
| -rw-r--r-- | intl/dcgettext.c | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/intl/dcgettext.c b/intl/dcgettext.c index a18be16..5c14dca 100644 --- a/intl/dcgettext.c +++ b/intl/dcgettext.c @@ -1,6 +1,8 @@ /* dcgettext.c -- implementation of the dcgettext(3) function -Copyright (C) 1995, 1996 Free Software Foundation, Inc. -Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. + Copyright (C) 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU C Library. Its master source is NOT part of +the C library, however. The master source lives in /gd/gnu/lib. 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 @@ -14,8 +16,8 @@ Library 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. */ +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ #ifdef HAVE_CONFIG_H # include <config.h> @@ -160,6 +162,42 @@ static const char *guess_category_value PARAMS ((int category, const char *categoryname)); +/* For those loosing systems which don't have `alloca' we have to add + some additional code emulating it. */ +#ifdef HAVE_ALLOCA +/* Nothing has to be done. */ +# define ADD_BLOCK(list, address) /* nothing */ +# define FREE_BLOCKS(list) /* nothing */ +#else +struct block_list +{ + void *address; + struct block_list *next; +}; +# define ADD_BLOCK(list, addr) \ + do { \ + struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ + /* If we cannot get a free block we cannot add the new element to \ + the list. */ \ + if (newp != NULL) { \ + newp->address = (addr); \ + newp->next = (list); \ + (list) = newp; \ + } \ + } while (0) +# define FREE_BLOCKS(list) \ + do { \ + while (list != NULL) { \ + struct block_list *old = list; \ + list = list->next; \ + free (old); \ + } \ + } while (0) +# undef alloca +# define alloca(size) (malloc (size)) +#endif /* have alloca */ + + /* Names for the libintl functions are a problem. They must not clash with existing names and they should follow ANSI C. But this source code is also used in GNU C Library where the names have a __ @@ -178,6 +216,9 @@ DCGETTEXT (domainname, msgid, category) const char *msgid; int category; { +#ifndef HAVE_ALLOCA + struct block_list *alloca_list = NULL; +#endif struct loaded_l10nfile *domain; struct binding *binding; const char *categoryname; @@ -227,12 +268,14 @@ DCGETTEXT (domainname, msgid, category) path_max += 2; /* The getcwd docs say to do this. */ dirname = (char *) alloca (path_max + dirname_len); + ADD_BLOCK (block_list, dirname); errno = 0; while ((ret = getcwd (dirname, path_max)) == NULL && errno == ERANGE) { path_max += PATH_INCR; dirname = (char *) alloca (path_max + dirname_len); + ADD_BLOCK (block_list, dirname); errno = 0; } @@ -240,6 +283,7 @@ DCGETTEXT (domainname, msgid, category) { /* We cannot get the current working directory. Don't signal an error but simply return the default string. */ + FREE_BLOCKS (block_list); errno = saved_errno; return (char *) msgid; } @@ -262,6 +306,7 @@ DCGETTEXT (domainname, msgid, category) xdomainname = (char *) alloca (strlen (categoryname) + strlen (domainname) + 5); + ADD_BLOCK (block_list, xdomainname); /* We don't want libintl.a to depend on any other library. So we avoid the non-standard function stpcpy. In GNU C Library this function is available, though. Also allow the symbol HAVE_STPCPY @@ -279,6 +324,7 @@ DCGETTEXT (domainname, msgid, category) /* Creating working area. */ single_locale = (char *) alloca (strlen (categoryvalue) + 1); + ADD_BLOCK (block_list, single_locale); /* Search for the given string. This is a loop because we perhaps @@ -310,6 +356,7 @@ DCGETTEXT (domainname, msgid, category) if (strcmp (single_locale, "C") == 0 || strcmp (single_locale, "POSIX") == 0) { + FREE_BLOCKS (block_list); errno = saved_errno; return (char *) msgid; } @@ -338,6 +385,7 @@ DCGETTEXT (domainname, msgid, category) if (retval != NULL) { + FREE_BLOCKS (block_list); errno = saved_errno; return retval; } |