59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) many different people. If you wrote this, please
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* acknowledge your work.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "libbb.h"
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extern FILE *gz_open(FILE *compressed_file, int *pid)
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{
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int unzip_pipe[2];
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if (pipe(unzip_pipe)!=0) {
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error_msg("pipe error");
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return(NULL);
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}
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if ((*pid = fork()) == -1) {
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error_msg("fork failed");
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return(NULL);
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}
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if (*pid==0) {
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/* child process */
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close(unzip_pipe[0]);
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unzip(compressed_file, fdopen(unzip_pipe[1], "w"));
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fflush(NULL);
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fclose(compressed_file);
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close(unzip_pipe[1]);
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exit(EXIT_SUCCESS);
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}
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close(unzip_pipe[1]);
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if (unzip_pipe[0] == -1) {
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error_msg("gzip stream init failed");
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}
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return(fdopen(unzip_pipe[0], "r"));
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}
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