int
archive_read_support_compression_all(struct archive *a)
{
/* Bzip falls back to "bunzip2" command-line */
archive_read_support_compression_bzip2(a);
/* The decompress code doesn't use an outside library. */
archive_read_support_compression_compress(a);
/* Gzip decompress falls back to "gunzip" command-line. */
archive_read_support_compression_gzip(a);
/* The LZMA file format has a very weak signature, so it
* may not be feasible to keep this here, but we'll try.
* This will come back out if there are problems. */
/* Lzma falls back to "unlzma" command-line program. */
archive_read_support_compression_lzma(a);
/* Xz falls back to "unxz" command-line program. */
archive_read_support_compression_xz(a);
/* The decode code doesn't use an outside library. */
archive_read_support_compression_uu(a);
/* The decode code doesn't use an outside library. */
#ifndef __minix
archive_read_support_compression_rpm(a);
#endif
/* Note: We always return ARCHIVE_OK here, even if some of the
* above return ARCHIVE_WARN. The intent here is to enable
* "as much as possible." Clients who need specific
* compression should enable those individually so they can
* verify the level of support. */
/* Clear any warning messages set by the above functions. */
archive_clear_error(a);
return (ARCHIVE_OK);
}
int
archive_read_support_compression_all(struct archive *a)
{
#if HAVE_BZLIB_H
archive_read_support_compression_bzip2(a);
#endif
/* The decompress code doesn't use an outside library. */
archive_read_support_compression_compress(a);
#if HAVE_ZLIB_H
archive_read_support_compression_gzip(a);
#endif
return (ARCHIVE_OK);
}
static void
extract(const char *filename, int do_extract, int flags)
{
struct archive *a;
struct archive *ext;
struct archive_entry *entry;
int r;
a = archive_read_new();
ext = archive_write_disk_new();
archive_write_disk_set_options(ext, flags);
#ifndef NO_BZIP2_EXTRACT
archive_read_support_compression_bzip2(a);
#endif
#ifndef NO_GZIP_EXTRACT
archive_read_support_compression_gzip(a);
#endif
#ifndef NO_COMPRESS_EXTRACT
archive_read_support_compression_compress(a);
#endif
#ifndef NO_TAR_EXTRACT
archive_read_support_format_tar(a);
#endif
#ifndef NO_CPIO_EXTRACT
archive_read_support_format_cpio(a);
#endif
#ifndef NO_LOOKUP
archive_write_disk_set_standard_lookup(ext);
#endif
if (filename != NULL && strcmp(filename, "-") == 0)
filename = NULL;
if ((r = archive_read_open_file(a, filename, 10240))) {
errmsg(archive_error_string(a));
errmsg("\n");
exit(r);
}
for (;;) {
r = archive_read_next_header(a, &entry);
if (r == ARCHIVE_EOF)
break;
if (r != ARCHIVE_OK) {
errmsg(archive_error_string(a));
errmsg("\n");
exit(1);
}
if (verbose && do_extract)
msg("x ");
if (verbose || !do_extract)
msg(archive_entry_pathname(entry));
if (do_extract) {
r = archive_write_header(ext, entry);
if (r != ARCHIVE_OK)
errmsg(archive_error_string(a));
else
copy_data(a, ext);
}
if (verbose || !do_extract)
msg("\n");
}
archive_read_close(a);
archive_read_finish(a);
exit(0);
}
