diff options
author | Glenn L McGrath <bug1@ihug.co.nz> | 2003-11-21 22:24:57 +0000 |
---|---|---|
committer | Glenn L McGrath <bug1@ihug.co.nz> | 2003-11-21 22:24:57 +0000 |
commit | 7ffe1338647d2b890df3ae46e526410b21a90d18 (patch) | |
tree | e949e5879a7083bac9e2da249363f9c613d0a409 /archival/libunarchive | |
parent | 1a2d75fd7273e8de936e5fd91462bdff381f9b62 (diff) | |
download | busybox-7ffe1338647d2b890df3ae46e526410b21a90d18.tar.gz |
As we no longer use function pointers for read in common archiving code
archive_xread can be replaced with bb_full_read, and archive_copy_file
with bb_copyfd*
bb_copyfd is split into two functions bb_copyfd_size and bb_copyfd_eof,
they share a common backend.
Diffstat (limited to 'archival/libunarchive')
-rw-r--r-- | archival/libunarchive/Makefile.in | 3 | ||||
-rw-r--r-- | archival/libunarchive/archive_copy_file.c | 44 | ||||
-rw-r--r-- | archival/libunarchive/archive_xread.c | 33 | ||||
-rw-r--r-- | archival/libunarchive/archive_xread_all.c | 2 | ||||
-rw-r--r-- | archival/libunarchive/archive_xread_all_eof.c | 2 | ||||
-rw-r--r-- | archival/libunarchive/data_extract_all.c | 2 | ||||
-rw-r--r-- | archival/libunarchive/data_extract_to_stdout.c | 2 | ||||
-rw-r--r-- | archival/libunarchive/get_header_tar.c | 2 | ||||
-rw-r--r-- | archival/libunarchive/seek_by_char.c | 16 |
9 files changed, 7 insertions, 99 deletions
diff --git a/archival/libunarchive/Makefile.in b/archival/libunarchive/Makefile.in index c9dec09ad..09b0571ed 100644 --- a/archival/libunarchive/Makefile.in +++ b/archival/libunarchive/Makefile.in @@ -37,15 +37,12 @@ LIBUNARCHIVE-y:= \ header_list.o \ header_verbose_list.o \ \ - archive_xread.o \ archive_xread_all.o \ archive_xread_all_eof.o \ \ seek_by_char.o \ seek_by_jump.o \ \ - archive_copy_file.o \ -\ data_align.o \ find_list_entry.o \ open_transformer.o \ diff --git a/archival/libunarchive/archive_copy_file.c b/archival/libunarchive/archive_copy_file.c deleted file mode 100644 index 675bc6ffe..000000000 --- a/archival/libunarchive/archive_copy_file.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <unistd.h> - -#include "libbb.h" -#include "unarchive.h" - -extern void archive_copy_file(const archive_handle_t *archive_handle, const int dst_fd) -{ - char buffer[512]; - off_t chunksize = archive_handle->file_header->size; - - while (chunksize != 0) { - size_t size; - if (chunksize > 512) { - size = 512; - } else { - size = chunksize; - } -// archive_xread_all(archive_handle, buffer, size); - size = archive_xread(archive_handle, buffer, size); - - if (write(dst_fd, buffer, size) != size) { - bb_error_msg_and_die ("Short write"); - } - chunksize -= size; - } - - return; -} diff --git a/archival/libunarchive/archive_xread.c b/archival/libunarchive/archive_xread.c deleted file mode 100644 index 59b4d77a8..000000000 --- a/archival/libunarchive/archive_xread.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Library General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "unarchive.h" -#include "libbb.h" - -extern ssize_t archive_xread(const archive_handle_t *archive_handle, unsigned char *buf, const size_t count) -{ - ssize_t size; - - size = bb_full_read(archive_handle->src_fd, buf, count); - if (size < 0) { - bb_perror_msg_and_die("Read error"); - } - - return(size); -} diff --git a/archival/libunarchive/archive_xread_all.c b/archival/libunarchive/archive_xread_all.c index cfe046b27..ba9ade2d5 100644 --- a/archival/libunarchive/archive_xread_all.c +++ b/archival/libunarchive/archive_xread_all.c @@ -24,7 +24,7 @@ extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, { ssize_t size; - size = archive_xread(archive_handle, buf, count); + size = bb_full_read(archive_handle->src_fd, buf, count); if (size != count) { bb_error_msg_and_die("Short read"); } diff --git a/archival/libunarchive/archive_xread_all_eof.c b/archival/libunarchive/archive_xread_all_eof.c index 23719cd7b..8084e3524 100644 --- a/archival/libunarchive/archive_xread_all_eof.c +++ b/archival/libunarchive/archive_xread_all_eof.c @@ -24,7 +24,7 @@ extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned { ssize_t size; - size = archive_xread(archive_handle, buf, count); + size = bb_full_read(archive_handle->src_fd, buf, count); if ((size != 0) && (size != count)) { bb_perror_msg_and_die("Short read, read %d of %d", size, count); } diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c index 4dccb815d..bf3be5b35 100644 --- a/archival/libunarchive/data_extract_all.c +++ b/archival/libunarchive/data_extract_all.c @@ -79,7 +79,7 @@ extern void data_extract_all(archive_handle_t *archive_handle) case S_IFREG: { /* Regular file */ dst_fd = bb_xopen(file_header->name, O_WRONLY | O_CREAT | O_EXCL); - archive_copy_file(archive_handle, dst_fd); + bb_copyfd_size(archive_handle->src_fd, dst_fd, file_header->size); close(dst_fd); break; } diff --git a/archival/libunarchive/data_extract_to_stdout.c b/archival/libunarchive/data_extract_to_stdout.c index 8be2fa2e9..ce5d4b8d0 100644 --- a/archival/libunarchive/data_extract_to_stdout.c +++ b/archival/libunarchive/data_extract_to_stdout.c @@ -18,5 +18,5 @@ extern void data_extract_to_stdout(archive_handle_t *archive_handle) { - archive_copy_file(archive_handle, fileno(stdout)); + bb_copyfd_eof(archive_handle->src_fd, fileno(stdout)); } diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c index d55189f42..603535a4c 100644 --- a/archival/libunarchive/get_header_tar.c +++ b/archival/libunarchive/get_header_tar.c @@ -57,7 +57,7 @@ extern char get_header_tar(archive_handle_t *archive_handle) /* Align header */ data_align(archive_handle, 512); - if (archive_xread(archive_handle, tar.raw, 512) != 512) { + if (bb_full_read(archive_handle->src_fd, tar.raw, 512) != 512) { /* Assume end of file */ return(EXIT_FAILURE); } diff --git a/archival/libunarchive/seek_by_char.c b/archival/libunarchive/seek_by_char.c index 77da4ef2e..c0315616e 100644 --- a/archival/libunarchive/seek_by_char.c +++ b/archival/libunarchive/seek_by_char.c @@ -26,19 +26,7 @@ */ extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int jump_size) { - unsigned int remaining = jump_size; - unsigned int read_amount; - RESERVE_CONFIG_BUFFER(buf, BUFSIZ); - - while (remaining > 0) { - if (remaining > BUFSIZ) { - read_amount = BUFSIZ; - } else { - read_amount = remaining; - } - read_amount = archive_xread(archive_handle, buf, read_amount); - remaining -= read_amount; + if (jump_size) { + bb_full_fd_action(archive_handle->src_fd, -1, jump_size, NULL); } - - RELEASE_CONFIG_BUFFER(buf); } |