432 lines
14 KiB
C
432 lines
14 KiB
C
/*
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* Builtin dlls resource support
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*
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* Copyright 2000 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#include "winbase.h"
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#include "wine/unicode.h"
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#include "build.h"
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/* Unicode string or integer id */
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struct string_id
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{
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WCHAR *str; /* ptr to Unicode string */
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WORD id; /* integer id if str is NULL */
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};
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/* descriptor for a resource */
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struct resource
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{
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struct string_id type;
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struct string_id name;
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const void *data;
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unsigned int data_size;
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WORD lang;
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};
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/* name level of the resource tree */
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struct res_name
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{
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const struct string_id *name; /* name */
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const struct resource *res; /* resource */
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int nb_languages; /* number of languages */
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};
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/* type level of the resource tree */
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struct res_type
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{
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const struct string_id *type; /* type name */
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struct res_name *names; /* names array */
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unsigned int nb_names; /* total number of names */
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unsigned int nb_id_names; /* number of names that have a numeric id */
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};
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static struct resource *resources;
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static int nb_resources;
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static struct res_type *res_types;
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static int nb_types; /* total number of types */
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static int nb_id_types; /* number of types that have a numeric id */
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static const unsigned char *file_pos; /* current position in resource file */
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static const unsigned char *file_end; /* end of resource file */
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static const char *file_name; /* current resource file name */
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inline static struct resource *add_resource(void)
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{
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resources = xrealloc( resources, (nb_resources + 1) * sizeof(*resources) );
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return &resources[nb_resources++];
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}
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static struct res_name *add_name( struct res_type *type, const struct resource *res )
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{
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struct res_name *name;
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type->names = xrealloc( type->names, (type->nb_names + 1) * sizeof(*type->names) );
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name = &type->names[type->nb_names++];
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name->name = &res->name;
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name->res = res;
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name->nb_languages = 1;
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if (!name->name->str) type->nb_id_names++;
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return name;
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}
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static struct res_type *add_type( const struct resource *res )
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{
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struct res_type *type;
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res_types = xrealloc( res_types, (nb_types + 1) * sizeof(*res_types) );
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type = &res_types[nb_types++];
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type->type = &res->type;
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type->names = NULL;
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type->nb_names = 0;
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type->nb_id_names = 0;
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if (!type->type->str) nb_id_types++;
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return type;
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}
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/* get the next word from the current resource file */
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static WORD get_word(void)
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{
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WORD ret = *(WORD *)file_pos;
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file_pos += sizeof(WORD);
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if (file_pos > file_end) fatal_error( "%s is a truncated file\n", file_name );
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return ret;
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}
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/* get the next dword from the current resource file */
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static DWORD get_dword(void)
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{
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DWORD ret = *(DWORD *)file_pos;
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file_pos += sizeof(DWORD);
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if (file_pos > file_end) fatal_error( "%s is a truncated file\n", file_name );
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return ret;
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}
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/* get a string from the current resource file */
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static void get_string( struct string_id *str )
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{
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if (*(WCHAR *)file_pos == 0xffff)
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{
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get_word(); /* skip the 0xffff */
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str->str = NULL;
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str->id = get_word();
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}
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else
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{
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WCHAR *p = xmalloc( (strlenW((WCHAR*)file_pos) + 1) * sizeof(WCHAR) );
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str->str = p;
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str->id = 0;
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while ((*p++ = get_word()));
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}
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}
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/* check the file header */
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/* all values must be zero except header size */
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static void check_header(void)
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{
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if (get_dword()) goto error; /* data size */
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if (get_dword() != 32) goto error; /* header size */
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if (get_word() != 0xffff || get_word()) goto error; /* type, must be id 0 */
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if (get_word() != 0xffff || get_word()) goto error; /* name, must be id 0 */
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if (get_dword()) goto error; /* data version */
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if (get_word()) goto error; /* mem options */
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if (get_word()) goto error; /* language */
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if (get_dword()) goto error; /* version */
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if (get_dword()) goto error; /* characteristics */
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return;
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error:
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fatal_error( "%s is not a valid Win32 resource file\n", file_name );
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}
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/* load the next resource from the current file */
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static void load_next_resource(void)
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{
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DWORD hdr_size;
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struct resource *res = add_resource();
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res->data_size = (get_dword() + 3) & ~3;
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hdr_size = get_dword();
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if (hdr_size & 3) fatal_error( "%s header size not aligned\n", file_name );
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res->data = file_pos - 2*sizeof(DWORD) + hdr_size;
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get_string( &res->type );
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get_string( &res->name );
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if ((int)file_pos & 2) get_word(); /* align to dword boundary */
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get_dword(); /* skip data version */
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get_word(); /* skip mem options */
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res->lang = get_word();
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get_dword(); /* skip version */
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get_dword(); /* skip characteristics */
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file_pos = (char *)res->data + res->data_size;
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if (file_pos > file_end) fatal_error( "%s is a truncated file\n", file_name );
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}
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/* load a Win32 .res file */
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void load_res32_file( const char *name )
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{
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int fd;
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void *base;
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struct stat st;
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if ((fd = open( name, O_RDONLY )) == -1) fatal_perror( "Cannot open %s", name );
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if ((fstat( fd, &st ) == -1)) fatal_perror( "Cannot stat %s", name );
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if (!st.st_size) fatal_error( "%s is an empty file\n" );
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#ifdef HAVE_MMAP
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if ((base = mmap( NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0 )) == (void*)-1)
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#endif /* HAVE_MMAP */
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{
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base = xmalloc( st.st_size );
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if (read( fd, base, st.st_size ) != st.st_size)
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fatal_error( "Cannot read %s\n", name );
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}
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file_name = name;
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file_pos = base;
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file_end = file_pos + st.st_size;
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check_header();
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while (file_pos < file_end) load_next_resource();
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}
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/* compare two unicode strings/ids */
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static int cmp_string( const struct string_id *str1, const struct string_id *str2 )
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{
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if (!str1->str)
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{
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if (!str2->str) return str1->id - str2->id;
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return 1; /* an id compares larger than a string */
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}
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if (!str2->str) return -1;
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return strcmpiW( str1->str, str2->str );
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}
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/* compare two resources for sorting the resource directory */
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/* resources are stored first by type, then by name, then by language */
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static int cmp_res( const void *ptr1, const void *ptr2 )
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{
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const struct resource *res1 = ptr1;
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const struct resource *res2 = ptr2;
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int ret;
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if ((ret = cmp_string( &res1->type, &res2->type ))) return ret;
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if ((ret = cmp_string( &res1->name, &res2->name ))) return ret;
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return res1->lang - res2->lang;
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}
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/* build the 3-level (type,name,language) resource tree */
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static void build_resource_tree(void)
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{
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int i;
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struct res_type *type = NULL;
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struct res_name *name = NULL;
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qsort( resources, nb_resources, sizeof(*resources), cmp_res );
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for (i = 0; i < nb_resources; i++)
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{
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if (!i || cmp_string( &resources[i].type, &resources[i-1].type )) /* new type */
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{
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type = add_type( &resources[i] );
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name = add_name( type, &resources[i] );
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}
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else if (cmp_string( &resources[i].name, &resources[i-1].name )) /* new name */
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{
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name = add_name( type, &resources[i] );
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}
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else name->nb_languages++;
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}
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}
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/* output a Unicode string */
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static void output_string( FILE *outfile, const WCHAR *name )
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{
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int i, len = strlenW(name);
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fprintf( outfile, "0x%04x", len );
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for (i = 0; i < len; i++) fprintf( outfile, ", 0x%04x", name[i] );
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fprintf( outfile, " /* " );
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for (i = 0; i < len; i++) fprintf( outfile, "%c", isprint((char)name[i]) ? (char)name[i] : '?' );
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fprintf( outfile, " */" );
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}
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/* output the resource definitions */
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int output_resources( FILE *outfile )
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{
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int i, j, k;
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unsigned int n;
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const struct res_type *type;
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const struct res_name *name;
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const struct resource *res;
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if (!nb_resources) return 0;
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build_resource_tree();
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/* resource data */
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for (i = 0, res = resources; i < nb_resources; i++, res++)
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{
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const unsigned int *p = res->data;
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int size = res->data_size / 4;
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/* dump data as ints to ensure correct alignment */
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fprintf( outfile, "static const unsigned int res_%d[%d] = {\n ", i, size );
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for (j = 0; j < size - 1; j++, p++)
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{
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fprintf( outfile, "0x%08x,", *p );
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if ((j % 8) == 7) fprintf( outfile, "\n " );
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}
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fprintf( outfile, "0x%08x\n};\n\n", *p );
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}
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/* directory structures */
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fprintf( outfile, "struct res_dir {\n" );
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fprintf( outfile, " unsigned int Characteristics;\n" );
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fprintf( outfile, " unsigned int TimeDateStamp;\n" );
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fprintf( outfile, " unsigned short MajorVersion, MinorVersion;\n" );
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fprintf( outfile, " unsigned short NumerOfNamedEntries, NumberOfIdEntries;\n};\n\n" );
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fprintf( outfile, "struct res_dir_entry {\n" );
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fprintf( outfile, " unsigned int Name;\n" );
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fprintf( outfile, " unsigned int OffsetToData;\n};\n\n" );
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fprintf( outfile, "struct res_data_entry {\n" );
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fprintf( outfile, " const unsigned int *OffsetToData;\n" );
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fprintf( outfile, " unsigned int Size;\n" );
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fprintf( outfile, " unsigned int CodePage;\n" );
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fprintf( outfile, " unsigned int ResourceHandle;\n};\n\n" );
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/* resource directory definition */
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fprintf( outfile, "#define OFFSETOF(field) ((char*)&((struct res_struct *)0)->field - (char*)((struct res_struct *) 0))\n" );
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fprintf( outfile, "static struct res_struct{\n" );
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fprintf( outfile, " struct res_dir type_dir;\n" );
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fprintf( outfile, " struct res_dir_entry type_entries[%d];\n", nb_types );
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for (i = 0, type = res_types; i < nb_types; i++, type++)
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{
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fprintf( outfile, " struct res_dir name_%d_dir;\n", i );
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fprintf( outfile, " struct res_dir_entry name_%d_entries[%d];\n", i, type->nb_names );
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for (n = 0, name = type->names; n < type->nb_names; n++, name++)
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{
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fprintf( outfile, " struct res_dir lang_%d_%d_dir;\n", i, n );
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fprintf( outfile, " struct res_dir_entry lang_%d_%d_entries[%d];\n",
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i, n, name->nb_languages );
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}
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}
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fprintf( outfile, " struct res_data_entry data_entries[%d];\n", nb_resources );
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for (i = 0, type = res_types; i < nb_types; i++, type++)
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{
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if (type->type->str)
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fprintf( outfile, " unsigned short type_%d_name[%d];\n",
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i, strlenW(type->type->str)+1 );
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for (n = 0, name = type->names; n < type->nb_names; n++, name++)
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{
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if (name->name->str)
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fprintf( outfile, " unsigned short name_%d_%d_name[%d];\n",
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i, n, strlenW(name->name->str)+1 );
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}
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}
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/* resource directory contents */
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fprintf( outfile, "} resources = {\n" );
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fprintf( outfile, " { 0, 0, 0, 0, %d, %d },\n", nb_types - nb_id_types, nb_id_types );
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/* dump the type directory */
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fprintf( outfile, " {\n" );
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for (i = 0, type = res_types; i < nb_types; i++, type++)
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{
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if (!type->type->str)
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fprintf( outfile, " { 0x%04x, OFFSETOF(name_%d_dir) | 0x80000000 },\n",
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type->type->id, i );
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else
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fprintf( outfile, " { OFFSETOF(type_%d_name) | 0x80000000, OFFSETOF(name_%d_dir) | 0x80000000 },\n",
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i, i );
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}
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fprintf( outfile, " },\n" );
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/* dump the names and languages directories */
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for (i = 0, type = res_types; i < nb_types; i++, type++)
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{
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fprintf( outfile, " { 0, 0, 0, 0, %d, %d }, /* name_%d_dir */\n {\n",
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type->nb_names - type->nb_id_names, type->nb_id_names, i );
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for (n = 0, name = type->names; n < type->nb_names; n++, name++)
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{
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if (!name->name->str)
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fprintf( outfile, " { 0x%04x, OFFSETOF(lang_%d_%d_dir) | 0x80000000 },\n",
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name->name->id, i, n );
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else
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fprintf( outfile, " { OFFSETOF(name_%d_%d_name) | 0x80000000, OFFSETOF(lang_%d_%d_dir) | 0x80000000 },\n",
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i, n, i, n );
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}
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fprintf( outfile, " },\n" );
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for (n = 0, name = type->names; n < type->nb_names; n++, name++)
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{
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fprintf( outfile, " { 0, 0, 0, 0, 0, %d }, /* lang_%d_%d_dir */\n {\n",
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name->nb_languages, i, n );
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for (k = 0, res = name->res; k < name->nb_languages; k++, res++)
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{
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fprintf( outfile, " { 0x%04x, OFFSETOF(data_entries[%d]) },\n",
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res->lang, res - resources );
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}
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fprintf( outfile, " },\n" );
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}
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}
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/* dump the resource data entries */
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fprintf( outfile, " {\n" );
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for (i = 0, res = resources; i < nb_resources; i++, res++)
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{
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fprintf( outfile, " { res_%d, sizeof(res_%d), 0, 0 },\n", i, i );
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}
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/* dump the name strings */
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for (i = 0, type = res_types; i < nb_types; i++, type++)
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{
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if (type->type->str)
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{
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fprintf( outfile, " },\n { " );
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output_string( outfile, type->type->str );
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}
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for (n = 0, name = type->names; n < type->nb_names; n++, name++)
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{
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if (name->name->str)
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{
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fprintf( outfile, " },\n { " );
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output_string( outfile, name->name->str );
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}
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}
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}
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fprintf( outfile, " }\n};\n#undef OFFSETOF\n\n" );
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return nb_resources;
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}
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