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#include <lib/archive.h>
#include <err.h>
#include <lib/url.h>
#include <assert.h>
#include <archive.h>
#include <archive_entry.h>
int pkg_extract(char *archive_path, struct url *out_dir)
{
assert(out_dir != NULL);
struct archive *read = archive_read_new();
struct archive *disk = archive_write_disk_new();
// Read opts
archive_read_support_filter_zstd(read);
archive_read_support_format_tar(read);
archive_read_open_filename(read, archive_path, 65535);
// Write opts
archive_write_disk_set_options(disk, ARCHIVE_EXTRACT_TIME);
// tmp archive entry (for iterating read)
struct archive_entry *entry;
while (archive_read_next_header(read, &entry) == ARCHIVE_OK) {
const char *entry_path = archive_entry_pathname(entry);
struct url fullpath = {0};
url_copy(out_dir, &fullpath);
url_append(&fullpath, entry_path);
archive_entry_set_pathname(entry, fullpath.buffer);
archive_write_header(disk, entry);
const void *buf;
size_t len;
off_t offset;
while(archive_read_data_block(read, &buf, &len, &offset) == ARCHIVE_OK)
archive_write_data_block(disk, buf, len, offset);
archive_write_finish_entry(disk);
url_free(&fullpath);
}
archive_free(disk);
archive_free(read);
return SUCCESS;
}
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