void dng_stream::DuplicateStream (dng_stream &dstStream)
{
// Turn off sniffers for this operation.
TempStreamSniffer noSniffer1 (*this , NULL);
TempStreamSniffer noSniffer2 (dstStream, NULL);
// First grow the destination stream if required, in an attempt to
// reserve any needed space before overwriting the existing data.
if (dstStream.Length () < Length ())
{
dstStream.SetLength (Length ());
}
SetReadPosition (0);
dstStream.SetWritePosition (0);
CopyToStream (dstStream, Length ());
dstStream.Flush ();
dstStream.SetLength (Length ());
}
int main(int argc, char **argv)
{
char *wadfile;
char *prefix = "";
FILE *file;
wadinfo_t hdr;
lumpinfo_t info;
fname_t *it;
int c;
char lumpbase[4];
int direc_size, direc_offset;
PrintBanner();
if (argc < 2 || argc > 3)
{
PrintUsage();
return 0;
}
wadfile = argv[1];
if (argc > 2) prefix = argv[2];
srand((unsigned int)time(0));
rand();
rand();
// First compile the list of all file names.
InitList();
printf("Collecting files...\n");
CollectFiles("");
printf("Creating WAD file %s...\n", wadfile);
if ((file = fopen(wadfile, "wb")) == NULL)
{
printf("Couldn't open %s.\n", wadfile);
perror("Error");
goto stop_now;
}
// The header.
hdr.identification[0] = 'P';
hdr.identification[1] = 'W';
hdr.identification[2] = 'A';
hdr.identification[3] = 'D';
hdr.numlumps = CountList() + 1;
hdr.infotableofs = 0; // We've no idea yet.
fwrite(&hdr, sizeof(hdr), 1, file);
// Write all the files.
sprintf(lumpbase, "%c%c", 'A' + rand() % 26, 'A' + rand() % 26);
for (it = root.next, c = 0; it != &root; it = it->next, c++)
{
it->offset = ftell(file);
if (!CopyToStream(file, it))
{
perror(it->path);
goto stop_now;
}
printf("%s\n", it->path);
sprintf(it->lump, "__%s%04X", lumpbase, c);
}
// Write DD_DIREC.
direc_offset = ftell(file);
for (it = root.next; it != &root; it = it->next)
fprintf(file, "%s %s%s\n", it->lump, prefix, it->path);
direc_size = ftell(file) - direc_offset;
// Time to write the info table.
hdr.infotableofs = ftell(file);
for (it = root.next, c = 0; it != &root; it = it->next, c++)
{
memset(&info, 0, sizeof(info));
info.filepos = it->offset;
info.size = it->size;
memcpy(info.name, it->lump, 8);
fwrite(&info, sizeof(info), 1, file);
}
// Finally DD_DIREC's entry.
info.filepos = direc_offset;
info.size = direc_size;
strncpy(info.name, "DD_DIREC", 8);
fwrite(&info, sizeof(info), 1, file);
// Rewrite the header.
rewind(file);
fwrite(&hdr, sizeof(hdr), 1, file);
// We're done!
fclose(file);
stop_now:
DestroyList();
return 0;
}
