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libbb: two new functions: wait_for_exitstatus(pid), xfchdir(fd)

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Bartosz Golaszewski proposed xfchdir()

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2016-04-01 22:12:44 +02:00
parent 29b33b63d4
commit c4199f22d0
6 changed files with 22 additions and 15 deletions
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3
archival/libarchive/data_extract_to_command.c
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@ -112,8 +112,7 @@ void FAST_FUNC data_extract_to_command(archive_handle_t *archive_handle)
bb_copyfd_exact_size(archive_handle->src_fd, p[1], -file_header->size);
close(p[1]);
if (safe_waitpid(pid, &status, 0) == -1)
bb_perror_msg_and_die("waitpid");
status = wait_for_exitstatus(pid);
if (WIFEXITED(status) && WEXITSTATUS(status))
bb_error_msg_and_die("'%s' returned status %d",
archive_handle->tar__to_command, WEXITSTATUS(status));