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This commit is contained in:
Pawel Kolodziejski 2009-05-27 07:20:49 +00:00
parent ce11c0401d
commit 68c3e197fa
1 changed files with 45 additions and 47 deletions
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92
tools/unlab.cpp
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@ -29,17 +29,17 @@
#include <string.h>
struct lab_header {
uint32_t magic;
uint32_t magic2;
uint32_t num_entries;
uint32_t string_table_size;
uint32_t magic;
uint32_t magic2;
uint32_t num_entries;
uint32_t string_table_size;
};
struct lab_entry {
uint32_t fname_offset;
uint32_t start;
uint32_t size;
uint32_t reserved;
uint32_t fname_offset;
uint32_t start;
uint32_t size;
uint32_t reserved;
};
uint16_t READ_LE_UINT16(const void *ptr) {
@ -52,49 +52,47 @@ uint32_t READ_LE_UINT32(const void *ptr) {
}
int main(int argc, char **argv) {
FILE *infile, *outfile;
struct lab_header head;
struct lab_entry *entries;
char *str_table;
uint32_t i;
off_t offset;
FILE *infile, *outfile;
struct lab_header head;
struct lab_entry *entries;
char *str_table;
uint32_t i;
off_t offset;
infile = fopen(argv[1], "rb");
if (infile == 0)
{
printf("can't open source file: %s\n", argv[1]);
exit(1);
}
infile = fopen(argv[1], "rb");
if (infile == 0) {
printf("can't open source file: %s\n", argv[1]);
exit(1);
}
fread(&head.magic, 1, 4, infile);
fread(&head.magic2, 1, 4, infile);
uint32_t num, s_size;
fread(&num, 1, 4, infile);
fread(&s_size, 1, 4, infile);
head.num_entries = READ_LE_UINT32(&num);
head.string_table_size = READ_LE_UINT32(&s_size);
if (0 != memcmp(&head.magic, "LABN", 4))
{
printf("There is no LABN header in source file\n");
exit(1);
}
fread(&head.magic, 1, 4, infile);
fread(&head.magic2, 1, 4, infile);
uint32_t num, s_size;
fread(&num, 1, 4, infile);
fread(&s_size, 1, 4, infile);
head.num_entries = READ_LE_UINT32(&num);
head.string_table_size = READ_LE_UINT32(&s_size);
if (0 != memcmp(&head.magic, "LABN", 4)) {
printf("There is no LABN header in source file\n");
exit(1);
}
entries = (struct lab_entry *)malloc(head.num_entries * sizeof(struct lab_entry));
fread(entries, 1, head.num_entries * sizeof(struct lab_entry), infile);
entries = (struct lab_entry *)malloc(head.num_entries * sizeof(struct lab_entry));
fread(entries, 1, head.num_entries * sizeof(struct lab_entry), infile);
str_table = (char *)malloc(head.string_table_size);
fread(str_table, 1, head.string_table_size, infile);
str_table = (char *)malloc(head.string_table_size);
fread(str_table, 1, head.string_table_size, infile);
for (i = 0; i < head.num_entries; i++) {
outfile = fopen(str_table + READ_LE_UINT32(&entries[i].fname_offset), "wb");
offset = READ_LE_UINT32(&entries[i].start);
char *buf = (char *)malloc(READ_LE_UINT32(&entries[i].size));
fseek(infile, offset, SEEK_SET);
fread(buf, 1, READ_LE_UINT32(&entries[i].size), infile);
fwrite(buf, 1, READ_LE_UINT32(&entries[i].size), outfile);
fclose(outfile);
}
for (i = 0; i < head.num_entries; i++) {
outfile = fopen(str_table + READ_LE_UINT32(&entries[i].fname_offset), "wb");
offset = READ_LE_UINT32(&entries[i].start);
char *buf = (char *)malloc(READ_LE_UINT32(&entries[i].size));
fseek(infile, offset, SEEK_SET);
fread(buf, 1, READ_LE_UINT32(&entries[i].size), infile);
fwrite(buf, 1, READ_LE_UINT32(&entries[i].size), outfile);
fclose(outfile);
}
fclose(infile);
return 0;
fclose(infile);
return 0;
}