| /* resres.c: read_res_file and write_res_file implementation for windres. |
| Copyright 1998, 1999 Free Software Foundation, Inc. |
| Written by Anders Norlander <anorland@hem2.passagen.se>. |
| |
| This file is part of GNU Binutils. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| /* FIXME: This file does not work correctly in a cross configuration. |
| It assumes that it can use fread and fwrite to read and write |
| integers. It does no swapping. */ |
| |
| #include "bfd.h" |
| #include "bucomm.h" |
| #include "libiberty.h" |
| #include "windres.h" |
| |
| #include <assert.h> |
| #include <time.h> |
| |
| struct res_hdr |
| { |
| unsigned long data_size; |
| unsigned long header_size; |
| }; |
| |
| static void write_res_directory |
| PARAMS ((const struct res_directory *, |
| const struct res_id *, const struct res_id *, |
| int *, int)); |
| static void write_res_resource |
| PARAMS ((const struct res_id *, const struct res_id *, |
| const struct res_resource *, int *)); |
| static void write_res_bin |
| PARAMS ((const struct res_resource *, const struct res_id *, |
| const struct res_id *, const struct res_res_info *)); |
| |
| static void write_res_id PARAMS ((const struct res_id *)); |
| static void write_res_info PARAMS ((const struct res_res_info *)); |
| static void write_res_data PARAMS ((const void *, size_t, int)); |
| static void write_res_header |
| PARAMS ((unsigned long, const struct res_id *, const struct res_id *, |
| const struct res_res_info *)); |
| |
| static int read_resource_entry PARAMS ((void)); |
| static void read_res_data PARAMS ((void *, size_t, int)); |
| static void read_res_id PARAMS ((struct res_id *)); |
| static unichar *read_unistring PARAMS ((int *)); |
| static void skip_null_resource PARAMS ((void)); |
| |
| static unsigned long get_id_size PARAMS ((const struct res_id *)); |
| static void res_align_file PARAMS ((void)); |
| |
| static void |
| res_add_resource |
| PARAMS ((struct res_resource *, const struct res_id *, |
| const struct res_id *, int, int)); |
| |
| void |
| res_append_resource |
| PARAMS ((struct res_directory **, struct res_resource *, |
| int, const struct res_id *, int)); |
| |
| static struct res_directory *resources = NULL; |
| |
| static FILE *fres; |
| static const char *filename; |
| |
| extern char *program_name; |
| |
| /* Read resource file */ |
| struct res_directory * |
| read_res_file (fn) |
| const char *fn; |
| { |
| filename = fn; |
| fres = fopen (filename, "rb"); |
| if (fres == NULL) |
| fatal ("can't open `%s' for output: %s", filename, strerror (errno)); |
| |
| skip_null_resource (); |
| |
| while (read_resource_entry ()) |
| ; |
| |
| fclose (fres); |
| |
| return resources; |
| } |
| |
| /* Write resource file */ |
| void |
| write_res_file (fn, resdir) |
| const char *fn; |
| const struct res_directory *resdir; |
| { |
| int language; |
| static const unsigned char sign[] = |
| {0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, |
| 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| long fpos; |
| |
| filename = fn; |
| |
| fres = fopen (filename, "wb"); |
| if (fres == NULL) |
| fatal ("can't open `%s' for output: %s", filename, strerror (errno)); |
| |
| /* Write 32 bit resource signature */ |
| write_res_data (sign, sizeof (sign), 1); |
| |
| /* write resources */ |
| |
| language = -1; |
| write_res_directory (resdir, (const struct res_id *) NULL, |
| (const struct res_id *) NULL, &language, 1); |
| |
| /* end file on DWORD boundary */ |
| fpos = ftell (fres); |
| if (fpos % 4) |
| write_res_data (sign, fpos % 4, 1); |
| |
| fclose (fres); |
| } |
| |
| /* Read a resource entry, returns 0 when all resources are read */ |
| static int |
| read_resource_entry (void) |
| { |
| struct res_id type; |
| struct res_id name; |
| struct res_res_info resinfo; |
| struct res_hdr reshdr; |
| long version; |
| void *buff; |
| |
| struct res_resource *r; |
| |
| res_align_file (); |
| |
| /* Read header */ |
| if (fread (&reshdr, sizeof (reshdr), 1, fres) != 1) |
| return 0; |
| |
| /* read resource type */ |
| read_res_id (&type); |
| /* read resource id */ |
| read_res_id (&name); |
| |
| res_align_file (); |
| |
| /* Read additional resource header */ |
| read_res_data (&resinfo.version, sizeof (resinfo.version), 1); |
| read_res_data (&resinfo.memflags, sizeof (resinfo.memflags), 1); |
| read_res_data (&resinfo.language, sizeof (resinfo.language), 1); |
| read_res_data (&version, sizeof (version), 1); |
| read_res_data (&resinfo.characteristics, sizeof (resinfo.characteristics), 1); |
| |
| res_align_file (); |
| |
| /* Allocate buffer for data */ |
| buff = res_alloc (reshdr.data_size); |
| /* Read data */ |
| read_res_data (buff, reshdr.data_size, 1); |
| /* Convert binary data to resource */ |
| r = bin_to_res (type, buff, reshdr.data_size, 0); |
| r->res_info = resinfo; |
| /* Add resource to resource directory */ |
| res_add_resource (r, &type, &name, resinfo.language, 0); |
| |
| return 1; |
| } |
| |
| /* write resource directory to binary resource file */ |
| static void |
| write_res_directory (rd, type, name, language, level) |
| const struct res_directory *rd; |
| const struct res_id *type; |
| const struct res_id *name; |
| int *language; |
| int level; |
| { |
| const struct res_entry *re; |
| |
| for (re = rd->entries; re != NULL; re = re->next) |
| { |
| switch (level) |
| { |
| case 1: |
| /* If we're at level 1, the key of this resource is the |
| type. This normally duplicates the information we have |
| stored with the resource itself, but we need to remember |
| the type if this is a user define resource type. */ |
| type = &re->id; |
| break; |
| |
| case 2: |
| /* If we're at level 2, the key of this resource is the name |
| we are going to use in the rc printout. */ |
| name = &re->id; |
| break; |
| |
| case 3: |
| /* If we're at level 3, then this key represents a language. |
| Use it to update the current language. */ |
| if (!re->id.named |
| && re->id.u.id != (unsigned long) *language |
| && (re->id.u.id & 0xffff) == re->id.u.id) |
| { |
| *language = re->id.u.id; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (re->subdir) |
| write_res_directory (re->u.dir, type, name, language, level + 1); |
| else |
| { |
| if (level == 3) |
| { |
| /* This is the normal case: the three levels are |
| TYPE/NAME/LANGUAGE. NAME will have been set at level |
| 2, and represents the name to use. We probably just |
| set LANGUAGE, and it will probably match what the |
| resource itself records if anything. */ |
| write_res_resource (type, name, re->u.res, language); |
| } |
| else |
| { |
| fprintf (stderr, "// Resource at unexpected level %d\n", level); |
| write_res_resource (type, (struct res_id *) NULL, re->u.res, |
| language); |
| } |
| } |
| } |
| |
| } |
| |
| static void |
| write_res_resource (type, name, res, language) |
| const struct res_id *type; |
| const struct res_id *name; |
| const struct res_resource *res; |
| int *language ATTRIBUTE_UNUSED; |
| { |
| int rt; |
| |
| switch (res->type) |
| { |
| default: |
| abort (); |
| |
| case RES_TYPE_ACCELERATOR: |
| rt = RT_ACCELERATOR; |
| break; |
| |
| case RES_TYPE_BITMAP: |
| rt = RT_BITMAP; |
| break; |
| |
| case RES_TYPE_CURSOR: |
| rt = RT_CURSOR; |
| break; |
| |
| case RES_TYPE_GROUP_CURSOR: |
| rt = RT_GROUP_CURSOR; |
| break; |
| |
| case RES_TYPE_DIALOG: |
| rt = RT_DIALOG; |
| break; |
| |
| case RES_TYPE_FONT: |
| rt = RT_FONT; |
| break; |
| |
| case RES_TYPE_FONTDIR: |
| rt = RT_FONTDIR; |
| break; |
| |
| case RES_TYPE_ICON: |
| rt = RT_ICON; |
| break; |
| |
| case RES_TYPE_GROUP_ICON: |
| rt = RT_GROUP_ICON; |
| break; |
| |
| case RES_TYPE_MENU: |
| rt = RT_MENU; |
| break; |
| |
| case RES_TYPE_MESSAGETABLE: |
| rt = RT_MESSAGETABLE; |
| break; |
| |
| case RES_TYPE_RCDATA: |
| rt = RT_RCDATA; |
| break; |
| |
| case RES_TYPE_STRINGTABLE: |
| rt = RT_STRING; |
| break; |
| |
| case RES_TYPE_USERDATA: |
| rt = 0; |
| break; |
| |
| case RES_TYPE_VERSIONINFO: |
| rt = RT_VERSION; |
| break; |
| } |
| |
| if (rt != 0 |
| && type != NULL |
| && (type->named || type->u.id != (unsigned long) rt)) |
| { |
| fprintf (stderr, "// Unexpected resource type mismatch: "); |
| res_id_print (stderr, *type, 1); |
| fprintf (stderr, " != %d", rt); |
| abort (); |
| } |
| |
| write_res_bin (res, type, name, &res->res_info); |
| return; |
| } |
| |
| /* Write a resource in binary resource format */ |
| static void |
| write_res_bin (res, type, name, resinfo) |
| const struct res_resource *res; |
| const struct res_id *type; |
| const struct res_id *name; |
| const struct res_res_info *resinfo; |
| { |
| unsigned long datasize = 0; |
| const struct bindata *bin_rep, *data; |
| |
| bin_rep = res_to_bin (res, 0); |
| for (data = bin_rep; data != NULL; data = data->next) |
| datasize += data->length; |
| |
| write_res_header (datasize, type, name, resinfo); |
| |
| for (data = bin_rep; data != NULL; data = data->next) |
| write_res_data (data->data, data->length, 1); |
| } |
| |
| /* Get number of bytes needed to store an id in binary format */ |
| static unsigned long |
| get_id_size (id) |
| const struct res_id *id; |
| { |
| if (id->named) |
| return sizeof (unichar) * (id->u.n.length + 1); |
| else |
| return sizeof (unichar) * 2; |
| } |
| |
| /* Write a resource header */ |
| static void |
| write_res_header (datasize, type, name, resinfo) |
| unsigned long datasize; |
| const struct res_id *type; |
| const struct res_id *name; |
| const struct res_res_info *resinfo; |
| { |
| struct res_hdr reshdr; |
| reshdr.data_size = datasize; |
| reshdr.header_size = 24 + get_id_size (type) + get_id_size (name); |
| |
| reshdr.header_size = (reshdr.header_size + 3) & ~3; |
| |
| res_align_file (); |
| write_res_data (&reshdr, sizeof (reshdr), 1); |
| write_res_id (type); |
| write_res_id (name); |
| |
| res_align_file (); |
| |
| write_res_info (resinfo); |
| res_align_file (); |
| } |
| |
| |
| /* Write data to file, abort on failure */ |
| static void |
| write_res_data (data, size, count) |
| const void *data; |
| size_t size; |
| int count; |
| { |
| if (fwrite (data, size, count, fres) != (size_t) count) |
| fatal ("%s: could not write to file", filename); |
| } |
| |
| /* Read data from file, abort on failure */ |
| static void |
| read_res_data (data, size, count) |
| void *data; |
| size_t size; |
| int count; |
| { |
| if (fread (data, size, count, fres) != (size_t) count) |
| fatal ("%s: unexpected end of file", filename); |
| } |
| |
| /* Write a resource id */ |
| static void |
| write_res_id (id) |
| const struct res_id *id; |
| { |
| if (id->named) |
| { |
| unsigned long len = id->u.n.length; |
| unichar null_term = 0; |
| write_res_data (id->u.n.name, len * sizeof (unichar), 1); |
| write_res_data (&null_term, sizeof (null_term), 1); |
| } |
| else |
| { |
| unsigned short i = 0xFFFF; |
| write_res_data (&i, sizeof (i), 1); |
| i = id->u.id; |
| write_res_data (&i, sizeof (i), 1); |
| } |
| } |
| |
| /* Write resource info */ |
| static void |
| write_res_info (info) |
| const struct res_res_info *info; |
| { |
| write_res_data (&info->version, sizeof (info->version), 1); |
| write_res_data (&info->memflags, sizeof (info->memflags), 1); |
| write_res_data (&info->language, sizeof (info->language), 1); |
| write_res_data (&info->version, sizeof (info->version), 1); |
| write_res_data (&info->characteristics, sizeof (info->characteristics), 1); |
| } |
| |
| /* read a resource identifier */ |
| void |
| read_res_id (id) |
| struct res_id *id; |
| { |
| unsigned short ord; |
| unichar *id_s = NULL; |
| int len; |
| |
| read_res_data (&ord, sizeof (ord), 1); |
| if (ord == 0xFFFF) /* an ordinal id */ |
| { |
| read_res_data (&ord, sizeof (ord), 1); |
| id->named = 0; |
| id->u.id = ord; |
| } |
| else |
| /* named id */ |
| { |
| if (fseek (fres, -sizeof (ord), SEEK_CUR) != 0) |
| fatal ("%s: %s: could not seek in file", program_name, filename); |
| id_s = read_unistring (&len); |
| id->named = 1; |
| id->u.n.length = len; |
| id->u.n.name = id_s; |
| } |
| } |
| |
| /* Read a null terminated UNICODE string */ |
| static unichar * |
| read_unistring (len) |
| int *len; |
| { |
| unichar *s; |
| unichar c; |
| unichar *p; |
| int l; |
| |
| *len = 0; |
| l = 0; |
| |
| /* there are hardly any names longer than 256 characters */ |
| p = s = (unichar *) xmalloc (sizeof (unichar) * 256); |
| do |
| { |
| read_res_data (&c, sizeof (c), 1); |
| *p++ = c; |
| if (c != 0) |
| l++; |
| } |
| while (c != 0); |
| *len = l; |
| return s; |
| } |
| |
| /* align file on DWORD boundary */ |
| static void |
| res_align_file (void) |
| { |
| int pos = ftell (fres); |
| int skip = ((pos + 3) & ~3) - pos; |
| if (fseek (fres, skip, SEEK_CUR) != 0) |
| fatal ("%s: %s: unable to align file", program_name, filename); |
| } |
| |
| /* Check if file is a win32 binary resource file, if so |
| skip past the null resource. Returns 0 if successful, -1 on |
| error. |
| */ |
| static void |
| skip_null_resource (void) |
| { |
| struct res_hdr reshdr = |
| {0, 0}; |
| read_res_data (&reshdr, sizeof (reshdr), 1); |
| if ((reshdr.data_size != 0) || (reshdr.header_size != 0x20)) |
| goto skip_err; |
| |
| /* Subtract size of HeaderSize and DataSize */ |
| if (fseek (fres, reshdr.header_size - 8, SEEK_CUR) != 0) |
| goto skip_err; |
| |
| return; |
| |
| skip_err: |
| fprintf (stderr, "%s: %s: Not a valid WIN32 resource file\n", program_name, |
| filename); |
| xexit (1); |
| } |
| |
| /* Add a resource to resource directory */ |
| void |
| res_add_resource (r, type, id, language, dupok) |
| struct res_resource *r; |
| const struct res_id *type; |
| const struct res_id *id; |
| int language; |
| int dupok; |
| { |
| struct res_id a[3]; |
| |
| a[0] = *type; |
| a[1] = *id; |
| a[2].named = 0; |
| a[2].u.id = language; |
| res_append_resource (&resources, r, 3, a, dupok); |
| } |
| |
| /* Append a resource to resource directory. |
| This is just copied from define_resource |
| and modified to add an existing resource. |
| */ |
| void |
| res_append_resource (resources, resource, cids, ids, dupok) |
| struct res_directory **resources; |
| struct res_resource *resource; |
| int cids; |
| const struct res_id *ids; |
| int dupok; |
| { |
| struct res_entry *re = NULL; |
| int i; |
| |
| assert (cids > 0); |
| for (i = 0; i < cids; i++) |
| { |
| struct res_entry **pp; |
| |
| if (*resources == NULL) |
| { |
| static unsigned long timeval; |
| |
| /* Use the same timestamp for every resource created in a |
| single run. */ |
| if (timeval == 0) |
| timeval = time (NULL); |
| |
| *resources = ((struct res_directory *) |
| res_alloc (sizeof **resources)); |
| (*resources)->characteristics = 0; |
| (*resources)->time = timeval; |
| (*resources)->major = 0; |
| (*resources)->minor = 0; |
| (*resources)->entries = NULL; |
| } |
| |
| for (pp = &(*resources)->entries; *pp != NULL; pp = &(*pp)->next) |
| if (res_id_cmp ((*pp)->id, ids[i]) == 0) |
| break; |
| |
| if (*pp != NULL) |
| re = *pp; |
| else |
| { |
| re = (struct res_entry *) res_alloc (sizeof *re); |
| re->next = NULL; |
| re->id = ids[i]; |
| if ((i + 1) < cids) |
| { |
| re->subdir = 1; |
| re->u.dir = NULL; |
| } |
| else |
| { |
| re->subdir = 0; |
| re->u.res = NULL; |
| } |
| |
| *pp = re; |
| } |
| |
| if ((i + 1) < cids) |
| { |
| if (!re->subdir) |
| { |
| fprintf (stderr, "%s: ", program_name); |
| res_ids_print (stderr, i, ids); |
| fprintf (stderr, ": expected to be a directory\n"); |
| xexit (1); |
| } |
| |
| resources = &re->u.dir; |
| } |
| } |
| |
| if (re->subdir) |
| { |
| fprintf (stderr, "%s: ", program_name); |
| res_ids_print (stderr, cids, ids); |
| fprintf (stderr, ": expected to be a leaf\n"); |
| xexit (1); |
| } |
| |
| if (re->u.res != NULL) |
| { |
| if (dupok) |
| return; |
| |
| fprintf (stderr, "%s: warning: ", program_name); |
| res_ids_print (stderr, cids, ids); |
| fprintf (stderr, ": duplicate value\n"); |
| } |
| |
| re->u.res = resource; |
| } |