#include <unistd.h>
#include "libbb.h"
-extern FILE *gz_open(FILE *compressed_file, int *pid)
+FILE *
+gz_open(FILE *compressed_file, int *pid)
{
int unzip_pipe[2];
return(fdopen(unzip_pipe[0], "r"));
}
-extern void gz_close(int gunzip_pid)
+int
+gz_close(int gunzip_pid)
{
- if (waitpid(gunzip_pid, NULL, 0) == -1) {
- perror_msg("%s wait", __FUNCTION__);
+ int status;
+ int ret;
+
+ if (waitpid(gunzip_pid, &status, 0) == -1) {
+ perror_msg("%s: waitpid", __FUNCTION__);
+ return -1;
+ }
+
+ if (WIFSIGNALED(status)) {
+ error_msg("%s: unzip process killed by signal %d\n",
+ __FUNCTION__, WTERMSIG(status));
+ return -1;
+ }
+
+ if (!WIFEXITED(status)) {
+ /* shouldn't happen */
+ error_msg("%s: Your system is broken: got status %d from waitpid\n",
+ __FUNCTION__, status);
+ return -1;
}
+
+ if ((ret = WEXITSTATUS(status))) {
+ error_msg("%s: unzip process failed with return code %d.\n",
+ __FUNCTION__, ret);
+ return -1;
+ }
+
+ return 0;
}