1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) many different people. If you wrote this, please
6 * acknowledge your work.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 #include <sys/types.h>
33 gz_open(FILE *compressed_file, int *pid)
37 if (pipe(unzip_pipe)!=0) {
42 /* If we don't flush, we end up with two copies of anything pending,
43 one from the parent, one from the child */
47 if ((*pid = fork()) == -1) {
54 unzip(compressed_file, fdopen(unzip_pipe[1], "w"));
56 fclose(compressed_file);
61 return(fdopen(unzip_pipe[0], "r"));
65 gz_close(int gunzip_pid)
70 if (waitpid(gunzip_pid, &status, 0) == -1) {
71 perror_msg("waitpid");
75 if (WIFSIGNALED(status)) {
76 error_msg("Unzip process killed by signal %d.\n",
81 if (!WIFEXITED(status)) {
82 /* shouldn't happen */
83 error_msg("Your system is broken: got status %d from waitpid.\n",
88 if ((ret = WEXITSTATUS(status))) {
89 error_msg("Unzip process failed with return code %d.\n",