udhcpc: fix a problem with binary-encoded options #2
[oweals/busybox.git] / archival / rpm2cpio.c
index 28b43a1817db33ea437cf3a0f1a865a22a5e90a8..f3dfa5159400e9c09d1f5693855536a28d93533f 100644 (file)
@@ -66,54 +66,22 @@ int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
        /* Skip the main header */
        skip_header();
 
-#if 0
+       //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*/);
+       setup_unzip_on_fd(rpm_fd, /*fail_if_not_detected:*/ 1);
        if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0)
                bb_error_msg_and_die("error unpacking");
-#else
-       /* BLOAT */
-       {
-               union {
-                       uint8_t b[4];
-                       uint16_t b16[2];
-                       uint32_t b32[1];
-               } magic;
-               IF_DESKTOP(long long) int FAST_FUNC (*unpack)(int src_fd, int dst_fd);
-
-               xread(rpm_fd, magic.b16, sizeof(magic.b16[0]));
-               if (magic.b16[0] == GZIP_MAGIC) {
-                       unpack = unpack_gz_stream;
-               } else
-               if (ENABLE_FEATURE_SEAMLESS_BZ2
-                && magic.b16[0] == BZIP2_MAGIC
-               ) {
-                       unpack = unpack_bz2_stream;
-               } else
-               if (ENABLE_FEATURE_SEAMLESS_XZ
-                && magic.b16[0] == XZ_MAGIC1
-               ) {
-                       xread(rpm_fd, magic.b32, sizeof(magic.b32[0]));
-                       if (magic.b32[0] != XZ_MAGIC2)
-                               goto no_magic;
-                       /* unpack_xz_stream wants fd at position 6, no need to seek */
-                       //xlseek(rpm_fd, -6, SEEK_CUR);
-                       unpack = unpack_xz_stream;
-               } else {
- no_magic:
-                       bb_error_msg_and_die("no gzip"
-                                       IF_FEATURE_SEAMLESS_BZ2("/bzip2")
-                                       IF_FEATURE_SEAMLESS_XZ("/xz")
-                                       " magic");
-               }
-               if (unpack(rpm_fd, STDOUT_FILENO) < 0)
-                       bb_error_msg_and_die("error unpacking");
-       }
-#endif
 
        if (ENABLE_FEATURE_CLEAN_UP) {
                close(rpm_fd);
        }
 
-       return 0;
+       if (SEAMLESS_COMPRESSION) {
+               check_errors_in_children(0);
+               return bb_got_signal;
+       }
+       return EXIT_SUCCESS;
 }