diff options
Diffstat (limited to 'archival/libunarchive/seek_by_jump.c')
-rw-r--r-- | archival/libunarchive/seek_by_jump.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/archival/libunarchive/seek_by_jump.c b/archival/libunarchive/seek_by_jump.c new file mode 100644 index 0000000..0a259c9 --- /dev/null +++ b/archival/libunarchive/seek_by_jump.c @@ -0,0 +1,19 @@ +/* vi: set sw=4 ts=4: */ +/* + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include "libbb.h" +#include "unarchive.h" + +void FAST_FUNC seek_by_jump(const archive_handle_t *archive_handle, unsigned amount) +{ + if (amount + && lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1 + ) { + if (errno == ESPIPE) + seek_by_read(archive_handle, amount); + else + bb_perror_msg_and_die("seek failure"); + } +} |