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ListRez utility to list resources.
This commit is contained in:
Kelvin Sherlock
parent
240c6d62ab
commit
bd6050069d
283
ListRez.c
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283
ListRez.c
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/*
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* Copyright (c) 2013, Kelvin W Sherlock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "stdint.h"
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#include "MacResource.h"
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// n.b. - all data is big endian.
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void hexdump(const uint8_t *data, ssize_t size)
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{
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const char *HexMap = "0123456789abcdef";
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char buffer1[16 * 3 + 1 + 1];
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char buffer2[16 + 1];
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ssize_t offset = 0;
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unsigned i, j;
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while(size > 0)
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{
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unsigned linelen = 16;
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memset(buffer1, ' ', sizeof(buffer1));
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memset(buffer2, ' ', sizeof(buffer2));
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if (size < linelen) linelen = size;
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for (i = 0, j = 0; i < linelen; i++)
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{
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unsigned x = data[i];
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buffer1[j++] = HexMap[x >> 4];
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buffer1[j++] = HexMap[x & 0x0f];
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j++;
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if (i == 7) j++;
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// isascii not part of std:: and may be a macro.
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buffer2[i] = isascii(x) && isprint(x) ? x : '.';
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}
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buffer1[sizeof(buffer1)-1] = 0;
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buffer2[sizeof(buffer2)-1] = 0;
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printf("%06x:\t%s\t%s\n", (unsigned)offset, buffer1, buffer2);
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offset += 16;
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data += 16;
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size -= 16;
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}
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printf("\n");
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}
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const char *TypeCode(uint8_t code[4])
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{
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static char buffer[12];
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int ok = 1;
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int i;
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for (i = 0; i < 4; ++i)
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{
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if (isprint(code[i])) continue;
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sprintf(buffer, "$%02x%02x%02x%02x",
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code[0], code[1], code[2], code[3]);
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return buffer;
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}
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sprintf(buffer, "'%c%c%c%c'",
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code[0], code[1], code[2], code[3]);
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return buffer;
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}
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int onefile(const char *file)
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{
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int fd;
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ssize_t size;
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off_t off;
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uint8_t *mapdata;
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uint8_t *typeListPtr;
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uint8_t *namePtr;
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int i, j;
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MacResourceHeader header;
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MacResourceMap map;
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fd = open(file, O_RDONLY | O_BINARY | O_RSRC);
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if (fd < 0)
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{
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fprintf(stderr, "# %s: Error opening file: %s\n", file, strerror(errno));
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return -1;
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}
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size = read(fd, &header, sizeof(header));
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if (size < 0)
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{
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fprintf(stderr, "# %s Error reading file: %s\n", file, strerror(errno));
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close(fd);
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return -1;
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}
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if (size < sizeof(header))
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{
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fprintf(stderr, "# %s: Not a macintosh resource fork.\n", file);
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close(fd);
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return -1;
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}
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mapdata = malloc(header.length_rmap);
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if (!mapdata)
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{
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fprintf(stderr, "# %s Memory allocation failure: %s\n", file, strerror(errno));
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close(fd);
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return -1;
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}
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off = lseek(fd, header.offset_rmap, SEEK_SET);
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if (off < 0)
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{
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fprintf(stderr, "# %s: Not a macintosh resource fork.\n", file);
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close(fd);
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free(mapdata);
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return -1;
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}
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size = read(fd, mapdata, header.length_rmap);
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if (size < 0)
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{
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fprintf(stderr, "# %s Error reading file: %s\n", file, strerror(errno));
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close(fd);
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free(mapdata);
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return -1;
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}
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if (size != header.length_rmap)
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{
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fprintf(stderr, "# %s: Not a macintosh resource fork.\n", file);
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close(fd);
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free(mapdata);
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return -1;
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}
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memcpy(&map, mapdata, sizeof(map));
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typeListPtr = mapdata + map.offset_typelist + 2;
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namePtr = mapdata + map.offset_namelist;
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printf("Type ID Attr Size Name\n");
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printf("----- ----- ----- ------- ----\n");
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// 'CODE' $0004 $0020 $000018 SANELIB
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for (i = map.count + 1; i; --i, typeListPtr += sizeof(MacResourceTypeList))
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{
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MacResourceTypeList typeList;
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const char *tc;
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uint8_t *refPtr;
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memcpy(&typeList, typeListPtr, sizeof(typeList));
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tc = TypeCode(typeList.ResourceType);
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refPtr = mapdata + map.offset_typelist + typeList.offset;
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for (j = typeList.count + 1; j; --j, refPtr += sizeof(MacReferenceList))
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{
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MacReferenceList ref;
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char name[256];
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uint32_t rSize;
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uint32_t rOff;
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memcpy(&ref, refPtr, sizeof(ref));
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if (ref.offset_namelist != 0xffff)
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{
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int size = namePtr[ref.offset_namelist];
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memcpy(name, namePtr + ref.offset_namelist + 1, size);
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name[size] = 0;
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}
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else name[0] = 0;
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rSize = 0;
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// 24-bit ptr. yuck.
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rOff = (ref.offset_data[0] << 16)
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| (ref.offset_data[1] << 8)
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| (ref.offset_data[2] << 0);
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off = lseek(fd, header.offset_rdata + rOff, SEEK_SET);
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if (off < 0)
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{
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fprintf(stderr, "# %s: Not a macintosh resource fork.\n", file);
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close(fd);
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free(mapdata);
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return -1;
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}
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size = read(fd, &rSize, sizeof(rSize));
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if (size < 0)
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{
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fprintf(stderr, "# %s Error reading file: %s\n", file, strerror(errno));
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close(fd);
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free(mapdata);
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return -1;
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}
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if (size != sizeof(rSize))
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{
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fprintf(stderr, "# %s: Not a macintosh resource fork.\n", file);
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close(fd);
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free(mapdata);
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return -1;
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}
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printf("%-10s $%04x $%04x $%06x %s\n",
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tc,
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ref.ResourceID,
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ref.attr,
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rSize, // todo -- size
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name
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);
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}
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}
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return 0;
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}
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void help(int status)
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{
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printf("# ListRez\n");
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printf("# Usage: ListRez [options] file");
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printf("#\n");
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exit(status);
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}
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int main(int argc, char **argv)
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{
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// options for resID, resType, list only
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if (argc != 2)
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help(1);
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onefile(argv[1]);
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return 0;
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}
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62
MacResource.h
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62
MacResource.h
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/*
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*
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* Macintosh Resource structures
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*
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*/
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#ifndef __MAC_RESOURCE__
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#define __MAC_RESOURCE__
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#include "stdint.h"
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#define macresPreLoad 0x04
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#define macresProtected 0x08
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#define macresLocked 0x10
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#define macresPurgeable 0x20
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#define macresHeap 0x40
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struct MacResourceHeader
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{
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uint32_t offset_rdata; /* offset to resource data */
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uint32_t offset_rmap; /* offset to resource map */
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uint32_t length_rdata; /* length of resource data */
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uint32_t length_rmap; /* length of resource map */
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};
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typedef struct MacResourceHeader MacResourceHeader, *MacResourceHeaderPtr;
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struct MacResourceMap
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{
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uint8_t Reserved[16]; /* For system use */
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uint32_t NextResource; /* For system use */
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uint16_t fileRef; /* For system use */
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uint16_t attr; /* resource fork attributes */
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uint16_t offset_typelist; /* offset from map to typelist */
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uint16_t offset_namelist; /* offset from map to namelist */
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uint16_t count; /* # of resources -1 */
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};
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typedef struct MacResourceMap MacResourceMap, *MacResourceMapPtr;
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struct MacResourceTypeList
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{
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uint8_t ResourceType[4];
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uint16_t count; /* # of resources -1 */
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uint16_t offset; /* offset from typelist to ref. list */
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};
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typedef struct MacResourceTypeList MacResourceTypeList, *MacResourceTypeListPtr;
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struct MacReferenceList
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{
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uint16_t ResourceID; /* ID of resource */
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uint16_t offset_namelist; /* offset from reference list to name
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or -1 for no name */
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uint8_t attr; /* attributes */
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uint8_t offset_data[3]; /* offset from resource data to this data */
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uint32_t reserved; /* for system use */
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};
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typedef struct MacReferenceList MacReferenceList, *MacReferenceListPtr;
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#endif
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5
makefile
5
makefile
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@ -26,7 +26,7 @@ LDFLAGS = -w -c 'MPS ' -t MPST \
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# LDFLAGS = -d -c 'MPS ' -t MPST
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all: Help GetEnv Duplicate SetFile OverlayIIgs
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all: Help GetEnv Duplicate SetFile OverlayIIgs ListRez
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clean:
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rm -f *.c.o
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@ -50,6 +50,9 @@ SetFile: SetFile.c.o SetFile-flags.c.o
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OverlayIIgs: OverlayIIgs.c.o OverlayIIgs-flags.c.o
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mpw Link $(LDFLAGS) -o $@ $^ $(LIBS)
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ListRez: ListRez.c.o
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mpw Link $(LDFLAGS) -o $@ $^ $(LIBS)
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#SetFile.c : SetFile.rl
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# ragel -G2 -p -m -o $@ $<
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