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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /binutils/resres.c
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'binutils/resres.c')
-rw-r--r--binutils/resres.c656
1 files changed, 656 insertions, 0 deletions
diff --git a/binutils/resres.c b/binutils/resres.c
new file mode 100644
index 0000000..39264f4
--- /dev/null
+++ b/binutils/resres.c
@@ -0,0 +1,656 @@
+/* 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. */
+
+#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 != *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;
+{
+ 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 != 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);
+
+ 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) != count)
+ fatal ("%s: %s: could not write to file", program_name, 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) != count)
+ fatal ("%s: %s: unexpected end of file", program_name, 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)
+{
+ if (fseek (fres, ftell (fres) % 4, 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;
+}