static void
replfilter(FILE *in, FILE *out, char *filter)
{
- int pid, n;
+ int pid, pid_show, n;
+ int mailpipe[2];
char *errstr;
if (filter == NULL)
rewind(in);
lseek(fileno(in), (off_t) 0, SEEK_SET);
- switch (pid = fork()) {
+ if (pipe(mailpipe) == -1) {
+ adios(EX_OSERR, "pipe", "can't create pipe");
+ }
+
+ switch (pid_show = fork()) {
case NOTOK:
adios(EX_OSERR, "fork", "unable to");
case OK:
dup2(fileno(in), fileno(stdin));
+ dup2(mailpipe[1], fileno(stdout));
+ for (n=3; n<OPEN_MAX; n++) {
+ close(n);
+ }
+
+ execlp("show", "show", "-file", "-", NULL);
+
+ adios(EX_OSERR, "exec", "unable to");
+ }
+
+ switch (pid = fork()) {
+ case NOTOK:
+ adios(EX_OSERR, "fork", "unable to");
+
+ case OK:
+ dup2(mailpipe[0], fileno(stdin));
dup2(fileno(out), fileno(stdout));
for (n=3; n<OPEN_MAX; n++) {
close(n);
_exit(EX_OSERR);
default:
- if (pidXwait(pid, "mhl"))
+ if (pidXwait(-1, "show | mhl"))
exit(EX_SOFTWARE);
fseek(out, 0L, SEEK_END);
break;
}
+
+ close(mailpipe[0]);
+ close(mailpipe[1]);
}