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#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libbb.h"
extern FILE *gz_open(FILE *compressed_file, int *pid)
{
int unzip_pipe[2];
if (pipe(unzip_pipe)!=0) {
error_msg("pipe error");
return(NULL);
}
if ((*pid = fork()) == -1) {
error_msg("fork failed");
return(NULL);
}
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]);
if (unzip_pipe[0] == -1) {
error_msg("gzip stream init failed");
}
return(fdopen(unzip_pipe[0], "r"));
}
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