12b57e84e6
For each link given as http://, verify that the site is accessible over https:// and, if so, switch to it. These domains were converted: * llvm.org * clang.llvm.org * en.cppreference.com * www.dxx-rebirth.com * www.libsdl.org * www.scons.org
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
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* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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/*
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* Written 1999 Jan 29 by Josh Cogliati
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* Modified for mvl by Bradley Bell, 2002, 2003
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* This program is licensed under the terms of the GPL, version 2 or later
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define SWAPINT(x) (((x)<<24) | (((unsigned int)(x)) >> 24) | (((x) &0x0000ff00) << 8) | (((x) & 0x00ff0000) >> 8))
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#define MAX_FILES 256
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int
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main(int argc, char *argv[])
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{
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FILE *mvlfile, *writefile;
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int i, nfiles, len[MAX_FILES];
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char filename[MAX_FILES][13];
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char *buf;
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struct stat statbuf;
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int v = 0;
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int bigendian = 0;
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if (argc > 1 && !strcmp(argv[1], "v")) {
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v = 1;
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argc--;
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argv++;
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}
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if (argc < 2) {
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printf("Usage: mvlextract [v] mvlfile [filename]\n"
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"extracts all the files in mvlfile into the current directory\n"
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"Options:\n"
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" v View files, don't extract\n");
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exit(0);
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}
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mvlfile = fopen(argv[1], "rb");
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stat(argv[1], &statbuf);
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printf("%i\n", (int)statbuf.st_size);
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buf = (char *)malloc(4);
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fread(buf, 4, 1, mvlfile);
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fread(&nfiles, 4, 1, mvlfile);
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printf("%d files\n", nfiles);
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if (nfiles > MAX_FILES) { // must be a bigendian mvl
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fprintf(stderr, "warning: nfiles>%d, trying reverse byte order...",
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MAX_FILES);
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bigendian = 1;
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}
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if (bigendian)
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nfiles = SWAPINT(nfiles);
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printf("Extracting from: %s\n", argv[1]);
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free(buf);
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for (i = 0; i < nfiles; i++) {
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fread(filename[i], 13, 1, mvlfile);
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fread(&len[i], 4, 1, mvlfile);
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if (bigendian)
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len[i] = SWAPINT(len[i]);
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if (argc == 2 || !strcmp(argv[2], filename[i]))
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printf("Filename: %s \tLength: %i\n", filename[i], len[i]);
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}
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if (!v) {
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for (i = 0; i < nfiles; i++) {
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if (argc > 2 && strcmp(argv[2], filename[i]))
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fseek(mvlfile, len[i], SEEK_CUR);
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else {
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if (ftell(mvlfile) > statbuf.st_size) {
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printf("Error, end of file\n");
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exit(1);
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}
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buf = (char *)malloc(len[i]);
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if (buf == NULL) {
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printf("Unable to allocate memory\n");
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} else {
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fread(buf, len[i], 1, mvlfile);
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writefile = fopen(filename[i], "wb");
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fwrite(buf, len[i], 1, writefile);
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fclose(writefile);
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free(buf);
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}
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}
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}
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}
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fclose(mvlfile);
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return 0;
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}
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