hush/libbb/gz_open.c
Eric Andersen 20aab260e2 Some adjustments, mostly from David McCullough <davidm@lineo.com> to
make busybox be more uClinux friendly.  I also adjusted Config.h for
uClinux so it will automagically disable apps the arn't going to
work without fork() and such.
 -Erik
2001-07-19 22:28:02 +00:00

36 lines
714 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 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"));
}