X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=common.cc;h=9cb7239d0a32d6bdcda8e41b1af252c190469d9e;hp=a43064d527a03340d0f62d260b13b7638cf131f5;hb=e7e175a74d95b5ed0a50750453168275f2fa3589;hpb=e52837077816345a2afa94b42195992a5871824c

diff --git a/common.cc b/common.cc
index a43064d..9cb7239 100644
--- a/common.cc
+++ b/common.cc
@@ -42,11 +42,6 @@ void print_trace(void)
 #endif /* CONFIG_STACKTRACE */
 }
 
-void model_print_summary(void)
-{
-	model->print_summary();
-}
-
 void assert_hook(void)
 {
 	model_print("Add breakpoint to line %u in file %s.\n", __LINE__, __FILE__);
@@ -88,10 +83,12 @@ static int fd_user_out; /**< @brief File descriptor from which to read user prog
  */
 void redirect_output()
 {
-	int fd;
-
 	/* Save stdout for later use */
-	model_out = dup(fileno(stdout));
+	model_out = dup(STDOUT_FILENO);
+	if (model_out < 0) {
+		perror("dup");
+		exit(EXIT_FAILURE);
+	}
 
 	/* Redirect program output to a pipe */
 	int pipefd[2];
@@ -99,11 +96,17 @@ void redirect_output()
 		perror("pipe");
 		exit(EXIT_FAILURE);
 	}
-	fd = dup2(pipefd[1], fileno(stdout)); // STDOUT_FILENO
+	if (dup2(pipefd[1], STDOUT_FILENO) < 0) {
+		perror("dup2");
+		exit(EXIT_FAILURE);
+	}
 	close(pipefd[1]);
 
 	/* Save the "read" side of the pipe for use later */
-	fcntl(pipefd[0], F_SETFL, O_NONBLOCK);
+	if (fcntl(pipefd[0], F_SETFL, O_NONBLOCK) < 0) {
+		perror("fcntl");
+		exit(EXIT_FAILURE);
+	}
 	fd_user_out = pipefd[0];
 }