emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Abstract read and seek in unarchiving code, convert bunzip to file descriptors, support tar -j

Browse Source
This commit is contained in:
Glenn L McGrath
2002-11-03 14:05:15 +00:00
parent 2fc54a9258
commit 237ae42fc9
28 changed files with 466 additions and 332 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
archival/ar.c
View File

@@ -50,7 +50,7 @@ static void header_verbose_list_ar(const file_header_t *file_header)
printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid, (int) file_header->size, &mtime[4], file_header->name);
}
#if defined CONFIG_TAR | defined CONFIG_DPKG_DEB | defined CONFIG_CPIO
#if !defined CONFIG_TAR && !defined CONFIG_DPKG_DEB && !defined CONFIG_CPIO
/* This is simpler than data_extract_all */
static void data_extract_regular_file(archive_handle_t *archive_handle)
{
@@ -59,7 +59,7 @@ static void data_extract_regular_file(archive_handle_t *archive_handle)
file_header = archive_handle->file_header;
dst_fd = xopen(file_header->name, O_WRONLY | O_CREAT);
copy_file_chunk_fd(archive_handle->src_fd, dst_fd, file_header->size);
archive_copy_file(archive_handle, dst_fd);
close(dst_fd);
chmod(file_header->name, file_header->mode);
@@ -80,18 +80,10 @@ extern int ar_main(int argc, char **argv)
archive_handle_t *archive_handle;
int opt;
#ifndef CONFIG_DPKG_DEB
#if !defined CONFIG_DPKG_DEB && !defined CONFIG_DPKG
char magic[8];
#endif
#if defined CONFIG_TAR | defined CONFIG_DPKG_DEB | defined CONFIG_CPIO
archive_handle = init_handle();
#else
archive_handle = xcalloc(1, sizeof(archive_handle_t));
archive_handle->filter = filter_accept_all;
archive_handle->action_data = data_skip;
archive_handle->action_header = header_skip;
archive_handle->file_header =xmalloc(sizeof(file_header_t));
#endif
while ((opt = getopt(argc, argv, "covtpxX")) != -1) {
switch (opt) {
@@ -104,7 +96,7 @@ extern int ar_main(int argc, char **argv)
case 'X':
archive_handle->action_header = header_verbose_list_ar;
case 'x': /* extract */
#if defined CONFIG_TAR | defined CONFIG_DPKG_DEB | defined CONFIG_CPIO
#if defined CONFIG_TAR || defined CONFIG_DPKG_DEB || defined CONFIG_CPIO
archive_handle->action_data = data_extract_all;
#else
archive_handle->action_data = data_extract_regular_file;
@@ -136,10 +128,10 @@ extern int ar_main(int argc, char **argv)
optind++;
}
#if defined CONFIG_DPKG_DEB
#if defined CONFIG_DPKG_DEB || defined CONFIG_DPKG
unpack_ar_archive(archive_handle);
#else
xread_all(archive_handle->src_fd, magic, 7);
archive_xread_all(archive_handle, magic, 7);
if (strncmp(magic, "!<arch>", 7) != 0) {
error_msg_and_die("Invalid ar magic");
}