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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <mspack.h>
#include <system.h>
#define BUF_SIZE (1024*4096)
char buf[BUF_SIZE];
void rip(char *fname, off_t offset, unsigned int length) {
static unsigned int counter = 1;
struct stat st_buf;
char outname[13];
FILE *in, *out;
do {
snprintf(outname, 13, "%08u.cab", counter++);
} while (stat(outname, &st_buf) == 0);
printf("ripping %s offset %" LD " length %u to %s\n",
fname, offset, length, outname);
if ((in = fopen(fname, "rb"))) {
#ifdef HAVE_FSEEKO
if (!fseeko(in, offset, SEEK_SET)) {
#else
if (!fseek(in, offset, SEEK_SET)) {
#endif
if ((out = fopen(outname, "wb"))) {
while (length > 0) {
unsigned int run = BUF_SIZE;
if (run > length) run = length;
if (fread(&buf[0], 1, run, in) != run) {
perror(fname);
break;
}
if (fwrite(&buf[0], 1, run, out) != run) {
perror(outname);
break;
}
length -= run;
}
fclose(out);
}
else {
perror(outname);
}
}
else {
perror(fname);
}
fclose(in);
}
else {
perror(fname);
}
}
int main(int argc, char *argv[]) {
struct mscab_decompressor *cabd;
struct mscabd_cabinet *cab, *c;
int err;
MSPACK_SYS_SELFTEST(err);
if (err) return 0;
if ((cabd = mspack_create_cab_decompressor(NULL))) {
for (argv++; *argv; argv++) {
if ((cab = cabd->search(cabd, *argv))) {
for (c = cab; c; c = c->next) rip(*argv, c->base_offset, c->length);
cabd->close(cabd, cab);
}
}
mspack_destroy_cab_decompressor(cabd);
}
return 0;
}
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