hush/libbb/gz_open.c
2001-04-11 15:11:48 +00:00

33 lines
647 B
C

#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libbb.h"
extern int gz_open(FILE *compressed_file, int *pid)
{
int unzip_pipe[2];
if (pipe(unzip_pipe)!=0) {
error_msg("pipe error");
return(EXIT_FAILURE);
}
if ((*pid = fork()) == -1) {
error_msg("fork failured");
return(EXIT_FAILURE);
}
if (*pid==0) {
/* child process */
close(unzip_pipe[0]);
unzip(compressed_file, fdopen(unzip_pipe[1], "w"));
fflush(NULL);
fclose(compressed_file);
close(unzip_pipe[1]);
exit(EXIT_SUCCESS);
}
close(unzip_pipe[1]);
return(unzip_pipe[0]);
}