36 lines
723 B
C
36 lines
723 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 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 failured");
|
|
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("Couldnt initialise gzip stream");
|
|
}
|
|
return(fdopen(unzip_pipe[0], "r"));
|
|
}
|