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| author | Glenn L McGrath | 2002-11-03 14:05:15 +0000 |
|---|---|---|
| committer | Glenn L McGrath | 2002-11-03 14:05:15 +0000 |
| commit | 237ae42fc96ede945d28d9054f045b73e419d089 (patch) | |
| tree | 3fb6a9c10150303aca3c218b47aaf327a186382a /archival/cpio.c | |
| parent | 2fc54a9258c3aa5dad2ce9807ba85cf29af2668e (diff) | |
| download | busybox-237ae42fc96ede945d28d9054f045b73e419d089.zip busybox-237ae42fc96ede945d28d9054f045b73e419d089.tar.gz | |
Abstract read and seek in unarchiving code, convert bunzip to file descriptors, support tar -j
Diffstat (limited to 'archival/cpio.c')
| -rw-r--r-- | archival/cpio.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/archival/cpio.c b/archival/cpio.c index 7615175..0d06149 100644 --- a/archival/cpio.c +++ b/archival/cpio.c @@ -45,6 +45,7 @@ extern int cpio_main(int argc, char **argv) /* Initialise */ archive_handle = init_handle(); archive_handle->src_fd = fileno(stdin); + archive_handle->seek = seek_by_char; archive_handle->action_header = header_list; while ((opt = getopt(argc, argv, "idmuvtF:")) != -1) { @@ -69,6 +70,7 @@ extern int cpio_main(int argc, char **argv) break; case 'F': archive_handle->src_fd = xopen(optarg, O_RDONLY); + archive_handle->seek = seek_by_jump; break; default: show_usage(); @@ -117,9 +119,9 @@ extern int cpio_main(int argc, char **argv) } /* There can be padding before archive header */ - archive_handle->offset += data_align(archive_handle->src_fd, archive_handle->offset, 4); + data_align(archive_handle, 4); - if (xread_all_eof(archive_handle->src_fd, cpio_header, 110) == 0) { + if (archive_xread_all_eof(archive_handle, cpio_header, 110) == 0) { return(EXIT_FAILURE); } archive_handle->offset += 110; @@ -145,12 +147,12 @@ extern int cpio_main(int argc, char **argv) dummy, &major, &minor, &namesize, dummy); file_header->name = (char *) xmalloc(namesize + 1); - xread(archive_handle->src_fd, file_header->name, namesize); /* Read in filename */ + archive_xread_all(archive_handle, file_header->name, namesize); /* Read in filename */ file_header->name[namesize] = '\0'; archive_handle->offset += namesize; /* Update offset amount and skip padding before file contents */ - archive_handle->offset += data_align(archive_handle->src_fd, archive_handle->offset, 4); + data_align(archive_handle, 4); if (strcmp(file_header->name, "TRAILER!!!") == 0) { printf("%d blocks\n", (int) (archive_handle->offset % 512 ? (archive_handle->offset / 512) + 1 : archive_handle->offset / 512)); /* Always round up */ @@ -173,7 +175,7 @@ extern int cpio_main(int argc, char **argv) if (S_ISLNK(file_header->mode)) { file_header->link_name = (char *) xmalloc(file_header->size + 1); - xread(archive_handle->src_fd, file_header->link_name, file_header->size); + archive_xread_all(archive_handle, file_header->link_name, file_header->size); file_header->link_name[file_header->size] = '\0'; archive_handle->offset += file_header->size; file_header->size = 0; /* Stop possible seeks in future */ |