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authorDenys Vlasenko2012-03-06 16:33:42 +0100
committerDenys Vlasenko2012-03-06 16:33:42 +0100
commitfaac1d3e6e87dc6882e69b62f1c71907d892c876 (patch)
treec9feb257a4d47e71a5555360b0978e22c9e37dbf /archival/rpm2cpio.c
parent02c3c3842004d88207b46450dbd19f80e6596c7e (diff)
downloadbusybox-faac1d3e6e87dc6882e69b62f1c71907d892c876.zip
busybox-faac1d3e6e87dc6882e69b62f1c71907d892c876.tar.gz
tar,rpm2cpio: check that child decompressor did not error out
function old new delta check_errors_in_children - 57 +57 tar_main 833 848 +15 get_header_tar 1720 1733 +13 rpm2cpio_main 147 140 -7 handle_SIGCHLD 41 - -41 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 2/1 up/down: 85/-48) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/rpm2cpio.c')
-rw-r--r--archival/rpm2cpio.c35
1 files changed, 7 insertions, 28 deletions
diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c
index 7256aae..f3dfa51 100644
--- a/archival/rpm2cpio.c
+++ b/archival/rpm2cpio.c
@@ -42,26 +42,6 @@ static unsigned skip_header(void)
return sizeof(header) + len;
}
-#if SEAMLESS_COMPRESSION
-static void handle_SIGCHLD(int signo UNUSED_PARAM)
-{
- int status;
-
- /* Wait for any child without blocking */
- for (;;) {
- if (wait_any_nohang(&status) < 0)
- /* wait failed?! I'm confused... */
- return;
- if (WIFEXITED(status) && WEXITSTATUS(status) == 0)
- /* this child exited with 0 */
- continue;
- /* Cannot happen?
- if (!WIFSIGNALED(status) && !WIFEXITED(status)) ???; */
- bb_got_signal = 1;
- }
-}
-#endif
-
/* No getopt required */
int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
@@ -86,10 +66,9 @@ int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
/* Skip the main header */
skip_header();
-#if SEAMLESS_COMPRESSION
- /* We need to know whether child (gzip/bzip/etc) exits abnormally */
- signal(SIGCHLD, handle_SIGCHLD);
-#endif
+ //if (SEAMLESS_COMPRESSION)
+ // /* We need to know whether child (gzip/bzip/etc) exits abnormally */
+ // signal(SIGCHLD, check_errors_in_children);
/* This works, but doesn't report uncompress errors (they happen in child) */
setup_unzip_on_fd(rpm_fd, /*fail_if_not_detected:*/ 1);
@@ -100,9 +79,9 @@ int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
close(rpm_fd);
}
-#if SEAMLESS_COMPRESSION
- return bb_got_signal;
-#else
+ if (SEAMLESS_COMPRESSION) {
+ check_errors_in_children(0);
+ return bb_got_signal;
+ }
return EXIT_SUCCESS;
-#endif
}