From: Antti Kantee <pooka@iki.fi>
Date: Tue, 20 Oct 2015 14:56:07 +0000 (+0000)
Subject: Perform some config sanity checks
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2b2ffa4693763baa9ec11d5f6df91fac3c56d882;p=osstest%2Frumprun.git

Perform some config sanity checks
---

diff --git a/lib/librumprun_base/config.c b/lib/librumprun_base/config.c
index cfd1dc6..7216cac 100644
--- a/lib/librumprun_base/config.c
+++ b/lib/librumprun_base/config.c
@@ -750,6 +750,7 @@ void
 rumprun_config(char *cmdline)
 {
 	char *cfg;
+	struct rumprun_exec *rre;
 	jsmn_parser p;
 	jsmntok_t *tokens = NULL;
 	jsmntok_t *t;
@@ -810,5 +811,16 @@ rumprun_config(char *cmdline)
 			    T_PRINTFSTAR(t, cmdline));
 	}
 
+	/*
+	 * Before we start running things, perform some sanity checks
+	 */
+	rre = TAILQ_LAST(&rumprun_execs, rumprun_execs);
+	if (rre == NULL) {
+		errx(1, "rumprun_config: no bins");
+	}
+	if (rre->rre_flags & RUMPRUN_EXEC_PIPE) {
+		errx(1, "rumprun_config: last bin may not output to pipe");
+	}
+
 	free(tokens);
 }