/*
* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
* It is copyright by its individual contributors, as recorded in the
* project's Git history. See COPYING.txt at the top level for license
* terms and a link to the Git history.
*/
/*
* Written 1999 Jan 29 by Josh Cogliati
* Modified by Bradley Bell, 2002, 2003
* This program is licensed under the terms of the GPL, version 2 or later
*/
#ifdef HAVE_CONFIG_H
#include <conf.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define SWAPINT(x) (((x)<<24) | (((unsigned)(x)) >> 24) | (((x) &0x0000ff00) << 8) | (((x) & 0x00ff0000) >> 8))
int
main(int argc, char *argv[])
{
FILE *hogfile, *writefile;
int len;
char filename[13];
char *buf;
struct stat statbuf;
int v = 0;
if (argc
> 1 && !strcmp(argv
[1], "v")) {
v = 1;
argc--;
argv++;
}
if (argc < 2) {
printf("Usage: hogextract [v] hogfile [filename]\n"
"extracts all the files in hogfile into the current directory\n"
"Options:\n"
" v View files, don't extract\n");
}
hogfile
= fopen(argv
[1], "rb");
stat(argv[1], &statbuf);
printf("%i\n", (int)statbuf.
st_size);
fread(buf
, 3, 1, hogfile
);
printf("Extracting from: %s\n", argv
[1]);
while(ftell(hogfile
)<statbuf.
st_size) {
fread(filename
, 13, 1, hogfile
);
fread(&len
, 1, 4, hogfile
);
#ifdef WORDS_BIGENDIAN
len = SWAPINT(len);
#endif
if (argc
> 2 && strcmp(argv
[2], filename
))
fseek(hogfile
, len
, SEEK_CUR
);
else {
printf("Filename: %s \tLength: %i\n", filename
, len
);
if (v)
fseek(hogfile
, len
, SEEK_CUR
);
else {
if (buf == NULL) {
printf("Unable to allocate memory\n");
} else {
fread(buf
, len
, 1, hogfile
);
writefile
= fopen(filename
, "wb");
fwrite(buf
, len
, 1, writefile
);
}
}
}
}
return 0;
}