[Debootloaders-devel] r58 - trunk/rsrce
Aurélien GÉRÔME
ag-guest at costa.debian.org
Tue Jul 11 00:56:51 UTC 2006
Author: ag-guest
Date: 2006-07-11 00:56:50 +0000 (Tue, 11 Jul 2006)
New Revision: 58
Added:
trunk/rsrce/Copyright
trunk/rsrce/GPL-2
trunk/rsrce/Makefile
trunk/rsrce/README
trunk/rsrce/command.c
trunk/rsrce/command.h
trunk/rsrce/config.h
trunk/rsrce/main.c
trunk/rsrce/resource.c
trunk/rsrce/resource.h
trunk/rsrce/translate.c
trunk/rsrce/translate.h
Log:
Initial import of rsrce upstream source code.
Added: trunk/rsrce/Copyright
===================================================================
--- trunk/rsrce/Copyright 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/Copyright 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,17 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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
+ */
Added: trunk/rsrce/GPL-2
===================================================================
--- trunk/rsrce/GPL-2 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/GPL-2 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,340 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
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+ GNU General Public License for more details.
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+Public License instead of this License.
Added: trunk/rsrce/Makefile
===================================================================
--- trunk/rsrce/Makefile 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/Makefile 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,18 @@
+OBJS= resource.o translate.o command.o main.o
+CC= gcc
+CFLAGS= -Wall -g
+RM= rm -f
+
+DESTDIR=
+LOCAL=/local
+USR_BIN=$(DESTDIR)/usr$(LOCAL)/bin
+
+rsrce: $(OBJS)
+ $(CC) $(CFLAGS) -o $@ $(OBJS)
+
+install: rsrce
+ install -m755 rsrce $(USR_BIN)/rsrce
+
+clean:
+ $(RM) $(OBJS) rsrce
+
Added: trunk/rsrce/README
===================================================================
--- trunk/rsrce/README 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/README 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,66 @@
+How to use rsrce
+
+
+1. Introduction
+
+This is rsrce, a Macintosh resource fork editor for Unix-like operating
+systems. It has been originally created to change the configuration of the
+miBoot Linux bootloader for OldWorld PowerMac computers.
+
+Since I do not use MacOS, I haven't tested any other usage of this program.
+You should therefore be very careful when using it, as it could very well
+produce unusable output. Consider this as unstable software.
+
+Another consequence of this is wildly missing functionnality. I'm not going to
+work on it, since I couldn't test anything in a real situation. Patches and/or
+bug reports would be very welcome.
+
+
+2. Overview
+
+Rsrce acts on raw resource forks stored in Unix files, such as .rsrc files
+produced by the hexbin command (from the macutil package.) You read such a
+thing into memory using the "read" command, then act on the resources it
+contains, then write it back.
+
+Resources are referred to by specifing their type and id, separated by a
+colon. I mean, something like "STR#:128". If the type field contains less than
+4 letters, spaces are added to complete it.
+
+Rsrce doesn't allow you to edit the resource data directly. It only knows to
+import/export them from/to files, performing conversion for the few resource
+types it knows. The "edit" command exports some resource's data to a temporary
+file, invokes and external editor, then import the file back.
+
+
+3. Commands
+
+read <file>
+ reads the resources from <file>
+write <file>
+ write the resources to <file>
+ls
+ lists resources (type, id, attributes, data lenght, name)
+hexdump <resource>
+ shows and hexdump of <resource>'s data
+import|export <resource> <file>
+ import/export <resource>'s data from/to <file>
+edit <resource>
+ invoke an external editor to change <resource>'s data
+help
+ lists available commands
+exit
+ exits (without saving, use write before exit if you wish to save your
+ changes).
+
+
+4. Conclusion
+
+If you actually use this program, please let me know how it's going. If you
+hack it, please send me your patches. Be careful not to hack it too much,
+however, you'd take the risk of becoming its maintainer.
+
+
+
+ Jeremie Koenig <sprite at sprite.fr.eu.org> 2004-03-04
+
Added: trunk/rsrce/command.c
===================================================================
--- trunk/rsrce/command.c 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/command.c 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,333 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include "config.h"
+#include "resource.h"
+#include "translate.h"
+#include "command.h"
+
+struct res_fork *cmd_rf;
+struct resource *cmd_res;
+
+int cmd_selectresource(const char *spec)
+{
+ restype_t type;
+ int id;
+ char *colon;
+
+ if(!spec) {
+ fprintf(stderr, "Please specify a resource to act on.\n");
+ return 1;
+ }
+
+ colon = strrchr(spec, ':');
+ if(!colon || colon > spec+4) {
+ fprintf(stderr, "Incorrect resource specification\n");
+ return 1;
+ }
+ memset(type, ' ', sizeof(type));
+ memcpy(type, spec, colon - spec);
+ id = atoi(colon + 1);
+ cmd_res = res_lookup(cmd_rf, type, id);
+ if(!cmd_res) {
+ fprintf(stderr, "No such resource.\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+
+int cmd_read(char **argv)
+{
+ struct res_fork *rf;
+ FILE *f;
+
+ if(!argv[1]) {
+ fprintf(stderr, "Read which file ?\n");
+ return -1;
+ }
+
+ f = fopen(argv[1], "r");
+ if(!f) {
+ perror(argv[1]);
+ return -1;
+ }
+
+ rf = res_read(f);
+ if(!rf) {
+ fprintf(stderr, "Error while reading %s\n", argv[1]);
+ return -1;
+ }
+
+ res_delfork(cmd_rf);
+ cmd_rf = rf;
+ return 0;
+}
+
+int cmd_write(char **argv)
+{
+ FILE *f;
+
+ if(!argv[1]) {
+ fprintf(stderr, "Write to which file ?\n");
+ return -1;
+ }
+
+ f = fopen(argv[1], "w");
+ if(!f) {
+ perror(argv[1]);
+ return -1;
+ }
+
+ if(res_write(cmd_rf, f)) {
+ fprintf(stderr, "Write error\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+int cmd_ls(char **argv)
+{
+ res_ls(stdout, cmd_rf);
+ return 0;
+}
+
+int cmd_hexdump(char **argv)
+{
+ int i, j;
+ unsigned char *data;
+ int len;
+
+ if(cmd_selectresource(argv[1]))
+ return 1;
+
+ res_getdata(cmd_res, (void **) &data, &len);
+
+ for(i=0 ; i < len ; i += 16) {
+ printf("%8x ", i);
+ for(j=0 ; j < 16 ; j++) {
+ if(i+j < len)
+ printf(" %02x", data[i+j]);
+ else
+ printf(" ");
+ }
+ printf(" |");
+ for(j=0 ; j < 16 && i+j < len ; j++)
+ printf("%c", isprint(data[i+j]) ? data[i+j] : '.');
+ printf("|\n");
+ }
+
+ return 0;
+}
+
+
+int cmd_export(char **argv)
+{
+ struct translator *tr;
+ FILE *f;
+ char *c;
+ int what, r;
+
+ what = (strcmp(argv[0], "export") == 0);
+
+ if(!argv[2]) {
+ fprintf(stderr, "%s <resource> <file> [<type>]\n", argv[0]);
+ return -1;
+ }
+ if(!argv[3]) {
+ c = strrchr(argv[2], '.');
+ argv[3] = c ? c+1 : NULL;
+ }
+
+ if(cmd_selectresource(argv[1]))
+ return -1;
+
+ tr = tr_lookup(cmd_res, argv[3]);
+ if(!tr)
+ return -1;
+
+ f = (strcmp(argv[2], "-") == 0) ? (what ? stdout : stdin)
+ : fopen(argv[2], what ? "w" : "r");
+ if(!f) {
+ perror(argv[2]);
+ return -1;
+ }
+
+ r = (what ? tr_export : tr_import)(tr, cmd_res, f);
+ if(strcmp(argv[2], "-") != 0)
+ fclose(f);
+
+ return r;
+}
+
+/* Export the resource data to a temporary file and return its name */
+static char *cmd_edit_export(struct translator *tr)
+{
+ char filename[] = "/tmp/rsrce.XXXXXX", *nfname;
+ const char *ext;
+ int fd;
+ FILE *f;
+
+ fd = mkstemp(filename);
+ ext = tr_ext(tr);
+ nfname = malloc(strlen(filename) + strlen(ext) + 2);
+ sprintf(nfname, "%s.%s", filename, ext);
+ if(rename(filename, nfname) != 0 || (f = fdopen(fd, "w")) == NULL) {
+ perror(nfname);
+ close(fd);
+ free(nfname);
+ return NULL;
+ }
+ if(tr_export(tr, cmd_res, f) != 0) {
+ fprintf(stderr,"Couldn't export resource data to %s\n",nfname);
+ fclose(f);
+ free(nfname);
+ return NULL;
+ }
+ fclose(f);
+
+ return nfname;
+}
+
+/* Invoke the external editor */
+static int cmd_edit_edit(const char *fname)
+{
+ char *cmd;
+ int ret;
+
+ cmd = malloc(strlen(CFG_EDITOR) + strlen(fname) + 2);
+ sprintf(cmd, "%s %s", CFG_EDITOR, fname);
+ ret = system(cmd);
+ free(cmd);
+
+ return ret;
+}
+
+/* Re-import the resource data */
+static int cmd_edit_import(struct translator *tr, const char *filename)
+{
+ FILE *f;
+ int ret;
+
+ f = fopen(filename, "r");
+ if(!f) {
+ perror(filename);
+ return -1;
+ }
+
+ ret = tr_import(tr, cmd_res, f);
+ fclose(f);
+ unlink(filename);
+
+ return ret;
+}
+
+int cmd_edit(char **argv)
+{
+ struct translator *tr;
+ int ret;
+ char *fname;
+
+ if(cmd_selectresource(argv[1]) != 0)
+ return 1;
+
+ tr = tr_lookup(cmd_res, argv[2]);
+ fname = cmd_edit_export(tr);
+ if(!fname)
+ return 1;
+ ret = (cmd_edit_edit(fname) == 0 && cmd_edit_import(tr, fname) == 0);
+ free(fname);
+
+ return ret ? 0 : 1;
+}
+
+int cmd_help(char **argv);
+
+int cmd_exit(char **argv)
+{
+ exit(0);
+}
+
+struct command {
+ const char *cmd;
+ int (*f)(char **argv);
+ const char *help;
+} cmd_table[] = {
+ {"read", cmd_read, "Read the resource fork from a file"},
+ {"write", cmd_write, "Write the resource fork to a file"},
+ {"ls", cmd_ls, "List resources"},
+ {"hexdump", cmd_hexdump, "Show an hexdump of the resource data"},
+ {"import", cmd_export, "Import resource data from a file"},
+ {"export", cmd_export, "Export resource data to a file"},
+ {"edit", cmd_edit, "Edit resource data"},
+ {"help", cmd_help, "This short help listing"},
+ {"exit", cmd_exit, "Exit (don't forget to write first!)"},
+ {NULL, NULL, NULL}
+};
+
+int cmd_help(char **argv)
+{
+ int i;
+
+ for(i=0 ; cmd_table[i].cmd ; i++) {
+ printf("%10s -- %s\n", cmd_table[i].cmd, cmd_table[i].help);
+ }
+
+ return 0;
+}
+
+
+#define MAXARGC 7
+
+int cmd_exec(char *cmd)
+{
+ char *argv[MAXARGC+1];
+ int argc, i;
+
+ memset(argv, 0, sizeof(argv));
+ argc = 0;
+ while((argv[argc++] = strsep(&cmd, " ")) && argc < MAXARGC+1);
+
+ if(argv[MAXARGC]) {
+ fprintf(stderr, "Too many arguments\n");
+ return -1;
+ }
+
+ for(i=0 ; cmd_table[i].cmd ; i++) {
+ if(strcmp(cmd_table[i].cmd, argv[0]) == 0)
+ return cmd_table[i].f(argv);
+ }
+
+ fprintf(stderr, "%s: no such command\n", argv[0]);
+ return -1;
+}
+
+void cmd_init(FILE *f)
+{
+ cmd_rf = f ? res_read(f) : res_newfork();
+ if(!cmd_rf) {
+ exit(1);
+ }
+}
Added: trunk/rsrce/command.h
===================================================================
--- trunk/rsrce/command.h 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/command.h 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,25 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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
+ */
+#ifndef __COMMAND_H__
+#define __COMMAND_H__
+
+int cmd_exec(char *cmd);
+void cmd_init(FILE *f);
+void cmd_cleanup(FILE *f);
+
+#endif
Added: trunk/rsrce/config.h
===================================================================
--- trunk/rsrce/config.h 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/config.h 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,22 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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
+ */
+/* config.h: configuration macros */
+
+#define CFG_EDITOR "/usr/bin/vi"
+#define CFG_BUFSZ 1024
+#define CFG_PROMPT "rsrce> "
Added: trunk/rsrce/main.c
===================================================================
--- trunk/rsrce/main.c 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/main.c 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,57 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "command.h"
+
+char *filename;
+
+int main(int argc, char **argv)
+{
+ const char *prompt;
+ char buf[512], *c;
+ FILE *f;
+
+ filename = (argc > 1) ? argv[1] : NULL;
+ if(filename) {
+ f = strcmp(filename, "-") ? fopen(filename, "r") : stdin;
+ if(!f) {
+ perror(filename);
+ exit(1);
+ }
+ } else
+ f = NULL;
+
+ cmd_init(f);
+ prompt = isatty(0) ? CFG_PROMPT : "";
+
+ while(fputs(prompt, stdout), fgets(buf, 512, stdin)) {
+ c = strchr(buf, '\n');
+ if(*c) *c = '\0';
+ cmd_exec(buf);
+ }
+ if(isatty(0))
+ printf("\n");
+ return 0;
+}
+
+
Added: trunk/rsrce/resource.c
===================================================================
--- trunk/rsrce/resource.c 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/resource.c 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,465 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <assert.h>
+#include <netinet/in.h>
+#include <endian.h>
+
+#include "resource.h"
+
+
+struct resource {
+ struct res_fork *f;
+ struct resource *next;
+
+ restype_t *type;
+ int16_t id;
+ uint8_t attr;
+ char *name, *data;
+ int namelen, datalen;
+};
+
+struct res_fork {
+ struct resource *rlist;
+
+ char *buf;
+ int len;
+ uint16_t attr;
+ int rlen; /* Reserved space at beginning */
+};
+
+
+struct resource *res_lookup(struct res_fork *f, restype_t type, int16_t id)
+{
+ struct resource *r;
+ for(r=f->rlist ; r ; r=r->next) {
+ if(memcmp(*r->type, type, sizeof(type)) == 0 &&
+ (id == 0 || r->id == id)) return r;
+ }
+ return NULL;
+}
+
+static void *res_grab(struct res_fork *f, void *data, int len)
+{
+ if((char *) data >= f->buf && (char *) data < f->buf + f->len) {
+ return data;
+ } else {
+ f->len += len;
+ f->buf = realloc(f->buf, f->len);
+ memcpy(f->buf + f->len - len, data, len);
+ return f->buf + f->len - len;
+ }
+}
+
+struct resource *res_new(struct res_fork *f, restype_t type, int16_t id)
+{
+ struct resource *r, **rp;
+
+ r = malloc(sizeof(*r));
+ memset(r, 0, sizeof(*r));
+ r->f = f;
+ r->id = id;
+
+ for(rp = &f->rlist ; *rp && memcmp(*(*rp)->type, type, sizeof(type)) ;
+ rp = &(*rp)->next);
+ if(*rp) {
+ r->type = (*rp)->type;
+ while(*rp && ((*rp)->type == r->type))
+ rp = &(*rp)->next;
+ } else {
+ r->type = res_grab(f, type, sizeof(type));
+ }
+
+ r->next = *rp;
+ *rp = r;
+
+ return r;
+}
+
+void res_getdata(struct resource *r, void **dp, int *len)
+{
+ *dp = r->data;
+ *len = r->datalen;
+}
+
+void res_setdata(struct resource *r, void *p, int len)
+{
+ if(len > r->datalen) {
+ r->data = res_grab(r->f, p, len);
+ r->datalen = len;
+ } else {
+ memcpy(r->data, p, len);
+ r->datalen = len;
+ }
+}
+
+void res_gettype(struct resource *r, restype_t type)
+{
+ memcpy(type, r->type, sizeof(type));
+}
+
+/* FIXME: implementer. */
+void res_settype(struct resource *r, restype_t type)
+{
+}
+
+void res_rename(struct resource *r, char *name, int nlen)
+{
+ if(nlen == -1) nlen = strlen(name);
+ if(!r->name || nlen > r->namelen) {
+ r->name = res_grab(r->f, name, nlen);
+ r->namelen = nlen;
+ } else {
+ memcpy(r->name, name, nlen);
+ r->namelen = nlen;
+ }
+}
+
+const char * const res_attrch = "7spLPlw0";
+void res_chattr(struct resource *r, const char *spec)
+{
+ /* FIXME: please a bit more usable */
+ r->attr = atoi(spec);
+}
+
+void res_delete(struct resource *r)
+{
+ struct resource **rp;
+
+ for(rp = &r->f->rlist ; *rp && *rp != r ; rp = &(*rp)->next);
+ assert(*rp);
+ *rp = r->next;
+
+ free(r);
+}
+
+void res_printinfo(struct resource *r, FILE *s)
+{
+ int i;
+
+ fwrite(r->type, 4, 1, s);
+ fprintf(s, " %11d ", r->id);
+ for(i=0 ; i<8 ; i++)
+ fprintf(s, "%c", ((r->attr << i) & 0x80) ? res_attrch[i] : '-');
+ fprintf(s, " %10d", r->datalen);
+ if(r->name) {
+ fprintf(s, " ");
+ fwrite(r->name, 1, r->namelen, s);
+ }
+ fprintf(s, "\n");
+}
+
+void res_ls(FILE *s, struct res_fork *f)
+{
+ struct resource *r;
+ for(r = f->rlist ; r ; r = r->next)
+ res_printinfo(r, s);
+}
+
+
+/* Resource header */
+struct reshdr {
+ uint32_t dofs, mofs, dlen, mlen;
+};
+
+struct res_fork *res_newfork()
+{
+ struct res_fork *f;
+
+ f = malloc(sizeof(*f));
+ f->buf = NULL;
+ f->len = 0;
+ f->rlen = sizeof(struct reshdr);
+ f->attr = 0;
+ f->rlist = NULL;
+
+ return f;
+}
+
+void res_delfork(struct res_fork *f)
+{
+ struct resource *r;
+
+ if(f->buf) free(f->buf);
+ while(f->rlist) {
+ r = f->rlist->next;
+ free(f->rlist);
+ f->rlist = r;
+ }
+ free(f);
+}
+
+
+/* Resource map header */
+struct resmaphdr {
+ uint8_t reserved[22];
+ uint16_t attr;
+ uint16_t tlistofs;
+ uint16_t nlistofs;
+};
+
+/* Resource type list entry */
+struct restype {
+ restype_t type;
+ uint16_t rnum;
+ uint16_t refofs;
+};
+
+struct restypelist {
+ uint16_t tnum;
+ struct restype type[0];
+};
+
+/* Resource reference list entry */
+struct resref {
+ uint16_t id;
+ uint16_t nameofs;
+ unsigned int attr:8, dataofs:24;
+ uint32_t reserved;
+};
+
+/* Used to manipulate the 3-bytes offset */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define ntoh3(a) (ntohl(a) >> 8)
+#define hton3(a) (htonl(a) >> 8)
+#else
+#define ntoh3(a) (a)
+#define hton3(a) (a)
+#endif
+
+/* Resource name list entry */
+struct resname {
+ uint8_t len;
+ char name[0];
+};
+
+/* Resource data */
+struct resdata {
+ uint32_t len;
+ uint8_t data[0];
+};
+
+
+#define BUFSZ 4096
+#define MAXSZ (100*1024*1024)
+
+static int res_readbuf(struct res_fork *f, FILE *stream)
+{
+ int n;
+
+ do {
+ f->buf = realloc(f->buf, f->len + BUFSZ);
+ n = fread(f->buf + f->len, 1, BUFSZ, stream);
+ f->len += n;
+ } while(n == BUFSZ && f->len < MAXSZ);
+
+ if(f->len >= MAXSZ) {
+ fprintf(stderr, "This resource fork is rather huge !\n");
+ return -1;
+ } else if(!feof(stream)) {
+ perror(NULL);
+ return -1;
+ }
+
+ return 0;
+}
+
+#define CHECKPTR(p, m) \
+if((char *)(p) < f->buf || (char *)(p) + sizeof(*(p)) > f->buf + f->len) { \
+ fprintf(stderr, "Wild " m " offset!\n"); \
+ return -1; \
+}
+
+static int res_parse_reflist(struct res_fork *f, char *dbase, char *tbase,
+ char *nbase, struct restype *t)
+{
+ struct resource *r;
+ struct resref *ref;
+ struct resname *name;
+ struct resdata *data;
+ int i;
+
+ ref = (struct resref *) (tbase + ntohs(t->refofs));
+ for(i=0 ; i < ntohs(t->rnum) + 1 ; i++) {
+ CHECKPTR(ref+i, "reference");
+ r = res_new(f, t->type, ntohs(ref[i].id));
+ r->attr = ref[i].attr;
+
+ if(ref[i].nameofs != htons(-1)) {
+ name = (struct resname *)(nbase+ntohs(ref[i].nameofs));
+ CHECKPTR(name, "name");
+ res_rename(r, name->name, name->len);
+ }
+
+ data = (struct resdata *)(dbase + ntoh3(ref[i].dataofs));
+ CHECKPTR(data, "data");
+ res_setdata(r, data->data, ntohl(data->len));
+ }
+
+ return 0;
+}
+
+static int res_parse_typelist(struct res_fork *f, char *dbase, char *tbase,
+ char *nbase)
+{
+ struct restypelist *l = (struct restypelist *) tbase;
+ int i;
+
+ for(i=0 ; i < ntohs(l->tnum) + 1 ; i++) {
+ if(res_parse_reflist(f, dbase, tbase, nbase, l->type + i) < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+static int res_parsebuf(struct res_fork *f)
+{
+ struct reshdr *rh;
+ struct resmaphdr *mh;
+
+ rh = (struct reshdr *) f->buf;
+ mh = (struct resmaphdr *) (f->buf + ntohl(rh->mofs));
+ CHECKPTR(mh, "resource map");
+ f->rlen = ntohl(rh->dofs) < ntohl(rh->mofs)
+ ? ntohl(rh->dofs) : ntohl(rh->mofs);
+ return res_parse_typelist(f, f->buf + ntohl(rh->dofs),
+ (char *) mh + ntohs(mh->tlistofs),
+ (char *) mh + ntohs(mh->nlistofs));
+}
+
+struct res_fork *res_read(FILE *stream)
+{
+ struct res_fork *f;
+
+ f = res_newfork();
+
+ if(res_readbuf(f, stream) < 0 || res_parsebuf(f) < 0) {
+ res_delfork(f);
+ return NULL;
+ }
+
+ return f;
+}
+
+void res_recreate(struct res_fork *f)
+{
+ struct resource *r;
+ restype_t *t;
+ char *buf;
+ int tnum, rnum;
+ int mlen, dlen, nlen, rlen, len;
+
+ struct reshdr *rh;
+ struct resmaphdr *mh;
+ struct restypelist *tl;
+ struct restype *type;
+ struct resref *ref;
+ struct resname *name, *name0;
+ struct resdata *data, *data0;
+
+ t = NULL;
+ dlen = 0;
+ mlen = sizeof(struct resmaphdr) + sizeof(struct restypelist);
+ rlen = 0;
+ nlen = 0;
+ tnum = 0;
+ rnum = 0;
+ for(r = f->rlist ; r ; r = r->next) {
+ dlen += sizeof(struct resdata) + r->datalen;
+ if(r->type != t) {
+ mlen += sizeof(struct restype);
+ tnum++;
+ t = r->type;
+ }
+ rlen += sizeof(struct resref);
+ if(r->name)
+ nlen += sizeof(struct resname) + r->namelen;
+ rnum++;
+ }
+
+ len = f->rlen + dlen + mlen + rlen + nlen;
+ buf = malloc(len);
+
+ rh = (struct reshdr *) buf;
+ data = data0 = (struct resdata *) (buf + f->rlen);
+ mh = (struct resmaphdr*) (buf + f->rlen + dlen);
+ tl = (struct restypelist *) (mh + 1);
+ type = tl->type;
+ ref = (struct resref *) (buf + f->rlen + dlen + mlen);
+ name = name0 = (struct resname *) (buf + f->rlen + dlen + mlen + rlen);
+
+ rh->dofs = htonl(f->rlen);
+ rh->dlen = htonl(dlen);
+ rh->mofs = htonl(f->rlen + dlen);
+ rh->mlen = htonl(mlen + rlen + nlen);
+
+ memset(mh->reserved, 0, sizeof(mh->reserved));
+ mh->attr = htons(f->attr);
+ mh->tlistofs = htons(sizeof(*mh));
+ mh->nlistofs = htons(mlen + rlen);
+ tl->tnum = htons(tnum - 1);
+
+ t = NULL;
+ for(r = f->rlist ; r ; r = r->next) {
+ if(r->type != t) {
+ if(t) type++;
+ type->refofs = htons((char*) ref - (char*) tl);
+ memcpy(type->type, r->type, sizeof(restype_t));
+ type->rnum = htons(0);
+ t = r->type;
+ } else {
+ type->rnum = htons(ntohs(type->rnum) + 1);
+ }
+ r->type = &type->type;
+
+ ref->id = htons(r->id);
+ ref->nameofs = htons(r->name ? (char*)name - (char*)name0 : -1);
+ ref->dataofs = hton3((char *) data - (char *) data0);
+ ref->attr = r->attr;
+ ref->reserved = htonl(0);
+ ref++;
+
+ if(r->name) {
+ name->len = r->namelen;
+ memcpy(name->name, r->name, r->namelen);
+ r->name = name->name;
+ name = (struct resname *) (name->name + name->len);
+ }
+
+ data->len = htonl(r->datalen);
+ memcpy(data->data, r->data, r->datalen);
+ r->data = data->data;
+ data = (struct resdata *) (data->data + r->datalen);
+ }
+
+ free(f->buf);
+ f->buf = buf;
+ f->len = len;
+}
+
+int res_write(struct res_fork *f, FILE *stream)
+{
+ res_recreate(f);
+ return fwrite(f->buf, 1, f->len, stream) == f->len ? 0 : -1;
+}
+
Added: trunk/rsrce/resource.h
===================================================================
--- trunk/rsrce/resource.h 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/resource.h 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,44 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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
+ */
+#ifndef __RESOURCE_H__
+#define __RESOURCE_H__
+
+#include <stdio.h>
+#include <stdint.h>
+
+typedef char restype_t[4];
+struct res_fork;
+struct resource;
+
+struct resource *res_new(struct res_fork *f, restype_t type, int16_t id);
+void res_getdata(struct resource *r, void **dp, int *len);
+void res_setdata(struct resource *r, void *p, int len);
+void res_gettype(struct resource *r, restype_t type);
+void res_settype(struct resource *r, restype_t type);
+void res_chattr(struct resource *r, const char *spec);
+void res_delete(struct resource *r);
+
+struct res_fork *res_newfork();
+struct res_fork *res_read(FILE *stream);
+int res_write(struct res_fork *f, FILE *s);
+struct resource *res_lookup(struct res_fork *f, restype_t type, int16_t id);
+void res_ls(FILE *s, struct res_fork *f);
+void res_delfork(struct res_fork *f);
+
+#endif
+
Added: trunk/rsrce/translate.c
===================================================================
--- trunk/rsrce/translate.c 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/translate.c 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,215 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netinet/in.h>
+#include "resource.h"
+#include "translate.h"
+
+
+#define BUFSZ 512
+
+int tr_raw_export(FILE *f, void *data, int len)
+{
+ return (fwrite(data, 1, len, f) == len) ? 0 : -1;
+}
+
+int tr_raw_import(FILE *f, void **data, int *len)
+{
+ int sz, n;
+
+ sz = *len;
+ *len = 0;
+
+ for(;;) {
+ if(*len + BUFSZ > sz) {
+ sz += BUFSZ;
+ *data = realloc(*data, sz);
+ }
+ n = fread(*data + *len, 1, sz - *len, f);
+ if(n == 0) return feof(f) ? 0 : -1;
+ *len += n;
+ }
+}
+
+int tr_str_export(FILE *f, void *data, int len)
+{
+ return (fwrite(data+1, 1, len-1, f) == len-1 && fputc('\n', f) == '\n')
+ ? 0 : -1;
+}
+
+int tr_str_import(FILE *f, void **data, int *len)
+{
+ int sz, c;
+
+ sz = *len;
+ *len = 1;
+ while((c = fgetc(f)) >= 0 && c != '\n') {
+ if(*len >= sz)
+ *data = realloc(*data, sz += BUFSZ);
+ ((unsigned char *) *data)[(*len)++] = c;
+ }
+ if(*len == 1)
+ return -1;
+
+ * (unsigned char *) *data = *len - 1;
+
+ return (feof(f) || c == '\n') ? 0 : -1;
+}
+
+int tr_strhash_export(FILE *f, void *data, int len)
+{
+ unsigned short *n;
+ unsigned char *s;
+ int strn;
+
+ n = (unsigned short *) data;
+ s = (unsigned char *) (n+1);
+ strn = ntohs(*n);
+
+ while(strn--) {
+ if(tr_str_export(f, s, *s+1) != 0)
+ return -1;
+ s += *s;
+ }
+
+ return 0;
+}
+
+int tr_strhash_import(FILE *f, void **data, int *len)
+{
+ void *sd;
+ int sl, ret;
+
+ *len = sizeof(unsigned short);
+ *data = realloc(*data, *len);
+
+ * (unsigned short *) *data = 0;
+ do {
+ sd = NULL;
+ sl = 0;
+ ret = tr_str_import(f, &sd, &sl);
+ if(ret == 0) {
+ *data = realloc(*data, *len + sl);
+ memcpy(*data + *len, sd, sl);
+ *len += sl;
+ if(sd) free(sd);
+ (* (unsigned short *) *data)++;
+ }
+ } while(ret == 0 && !feof(f));
+
+ * (unsigned short *) *data = htons(* (unsigned short *) *data);
+
+ return feof(f) ? 0 : -1;
+}
+
+int tr_cmdl_export(FILE *f, void *data, int len)
+{
+ const char empty[] = "";
+
+ if(!len) {
+ data = (void *) empty;
+ len = sizeof(len);
+ }
+ if(!memchr(data, '\0', len)) {
+ fprintf(stderr, "No terminating null byte.\n");
+ return -1;
+ }
+ fprintf(f, "%s\n", (char*) data);
+
+ return 0;
+}
+
+int tr_cmdl_import(FILE *f, void **data, int *len)
+{
+ char buf[512], *c;
+
+ c = fgets(buf, sizeof(buf), f);
+ if(!c) {
+ perror(NULL);
+ return -1;
+ }
+ c = strchr(buf, '\n');
+ if(c) *(c++) = '\0';
+
+ *len = strlen(buf) + 1;
+ *data = realloc(*data, *len);
+ strcpy(*data, buf);
+ return 0;
+}
+
+struct translator {
+ restype_t type;
+ const char *ext;
+ int (*export)(FILE *f, void *data, int len);
+ int (*import)(FILE *f, void **data, int *len);
+} tr_table[] = {
+ {"STR ", "txt", tr_str_export, tr_str_import },
+ {"STR#", "txt", tr_strhash_export, tr_strhash_import },
+ {"CMDL", "txt", tr_cmdl_export, tr_cmdl_import },
+ {"", "bin", tr_raw_export, tr_raw_import },
+ {"", NULL, NULL, NULL}
+};
+
+struct translator *tr_lookup(struct resource *r, const char *ext)
+{
+ restype_t type;
+ int i;
+
+ res_gettype(r, type);
+ for(i=0 ; tr_table[i].export ; i++)
+ if(!((type[0] && memcmp(tr_table[i].type, type, sizeof(type)))
+ || (ext && strcmp(tr_table[i].ext, ext))))
+ return tr_table + i;
+ return NULL;
+}
+
+const char *tr_ext(struct translator *tr)
+{
+ return tr->ext;
+}
+
+int tr_export(struct translator *tr, struct resource *r, FILE *out)
+{
+ void *data;
+ int len;
+
+ res_getdata(r, &data, &len);
+ return tr->export(out, data, len);
+}
+
+int tr_import(struct translator *tr, struct resource *r, FILE *in)
+{
+ void *data;
+ int len, ret;
+
+ data = NULL;
+ len = 0;
+ ret = tr->import(in, &data, &len);
+
+ if(!ret)
+ res_setdata(r, data, len);
+ else
+ fprintf(stderr, "Couldn't import resource data\n");
+ if(data)
+ free(data);
+
+ return ret;
+}
+
Added: trunk/rsrce/translate.h
===================================================================
--- trunk/rsrce/translate.h 2006-07-11 00:53:48 UTC (rev 57)
+++ trunk/rsrce/translate.h 2006-07-11 00:56:50 UTC (rev 58)
@@ -0,0 +1,29 @@
+/* rsrce -- a Macintosh resource fork editor
+ * Copyright (C) 2004 Jeremie Koenig
+ *
+ * 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
+ */
+#ifndef __TRANSLATE_H__
+#define __TRANSLATE_H__
+
+#include <stdio.h>
+#include "resource.h"
+
+struct translator *tr_lookup(struct resource *r, const char *ext);
+const char *tr_ext(struct translator *t);
+int tr_export(struct translator *t, struct resource *r, FILE *o);
+int tr_import(struct translator *t, struct resource *r, FILE *i);
+
+#endif
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