int main(int argc, char *argv[])
{
ar_stream *stream = NULL;
ar_archive *ar = NULL;
int entry_count = 1;
int entry_skips = 0;
int error_step = 1;
#if !defined(NDEBUG) && defined(_MSC_VER)
if (!IsDebuggerPresent()) {
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
}
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
FailIf(argc != 2, "Syntax: %s <filename.ext>", argv[0]);
stream = ar_open_file(argv[1]);
FailIf(!stream, "Error: File \"%s\" not found!", argv[1]);
printf("Parsing \"%s\":\n", argv[1]);
ar = ar_open_any_archive(stream, strrchr(argv[1], '.'));
FailIf(!ar, "Error: No valid %s archive!", "RAR, ZIP, 7Z or TAR");
while (ar_parse_entry(ar)) {
size_t size = ar_entry_get_size(ar);
printf("%02d. %s (@%" PRIi64 ")\n", entry_count++, ar_entry_get_name(ar), ar_entry_get_offset(ar));
while (size > 0) {
unsigned char buffer[1024];
size_t count = size < sizeof(buffer) ? size : sizeof(buffer);
if (!ar_entry_uncompress(ar, buffer, count))
break;
size -= count;
}
if (size > 0) {
fprintf(stderr, "Warning: Failed to uncompress... skipping\n");
entry_skips++;
}
}
FailIf(!ar_at_eof(ar), "Error: Failed to parse entry %d!", entry_count);
error_step = entry_skips > 0 ? 1000 + entry_skips : 0;
CleanUp:
ar_close_archive(ar);
ar_close(stream);
return error_step;
}
char *ArchFile::GetFileDataByIdx(size_t fileindex, size_t *len)
{
if (fileindex >= filenames.Count())
return nullptr;
if (!ar || !ar_parse_entry_at(ar, filepos.At(fileindex)))
return GetFileFromFallback(fileindex, len);
size_t size = ar_entry_get_size(ar);
if (size > SIZE_MAX - 3)
return nullptr;
ScopedMem<char> data((char *)malloc(size + 3));
if (!data)
return nullptr;
if (!ar_entry_uncompress(ar, data, size))
return GetFileFromFallback(fileindex, len);
// zero-terminate for convenience
data[size] = data[size + 1] = data[size + 2] = '\0';
if (len)
*len = size;
return data.StealData();
}
size_t getSize(ARCHIVE * archive)
{
return ar_entry_get_size(archive->archive);
}
