wait_for_grandchild (grandchild_pid);
}
+static void
+run_decompress_program (void)
+{
+ int i;
+ const char *p, *prog = NULL;
+
+ for (p = first_decompress_program (&i); p; p = next_decompress_program (&i))
+ {
+ if (prog)
+ {
+ WARNOPT (WARN_DECOMPRESS_PROGRAM,
+ (0, errno, _("cannot run %s"), prog));
+ WARNOPT (WARN_DECOMPRESS_PROGRAM,
+ (0, 0, _("trying %s"), p));
+ }
+ prog = p;
+ execlp (p, p, "-d", NULL);
+ }
+ if (!prog)
+ FATAL_ERROR ((0, 0, _("unable to run decompression program")));
+ exec_fatal (prog);
+}
+
/* Set ARCHIVE for uncompressing, then reading an archive. */
pid_t
sys_child_open_for_uncompress (void)
open_fatal (archive_name_array[0]);
xdup2 (archive, STDIN_FILENO);
priv_set_restore_linkdir ();
- execlp (use_compress_program_option, use_compress_program_option,
- "-d", (char *) 0);
- exec_fatal (use_compress_program_option);
+ run_decompress_program ();
}
/* We do need a grandchild tar. */
xdup2 (child_pipe[PREAD], STDIN_FILENO);
xclose (child_pipe[PWRITE]);
priv_set_restore_linkdir ();
- execlp (use_compress_program_option, use_compress_program_option,
- "-d", (char *) 0);
- exec_fatal (use_compress_program_option);
+ run_decompress_program ();
}
/* The child tar is still here! */