From e9df3f1a429daaca00025e76ce8850d104311ee1 Mon Sep 17 00:00:00 2001
From: Philipp Takacs <philipp@bureaucracy.de>
Date: Sun, 17 Jan 2016 14:19:11 +0100
Subject: [PATCH] pipe mail throu show on repl

now repl works as expected for MIME-messages
---
 uip/repl.c |   30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/uip/repl.c b/uip/repl.c
index f5df9ec..71ae98e 100644
--- a/uip/repl.c
+++ b/uip/repl.c
@@ -740,7 +740,8 @@ insert(struct mailname *np)
 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)
@@ -752,12 +753,32 @@ replfilter(FILE *in, FILE *out, char *filter)
 	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);
@@ -771,9 +792,12 @@ replfilter(FILE *in, FILE *out, char *filter)
 		_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]);
 }
-- 
1.7.10.4