1 files changed, 76 insertions, 0 deletions
diff --git a/tests/test_pipes_1.c b/tests/test_pipes_1.c
new file mode 100644
index 0000000..89e3256
--- /dev/null
+++ b/tests/test_pipes_1.c
@@ -0,0 +1,76 @@
+/*
+ * RTFL
+ *
+ * Copyright 2014 Sebastian Geerken <sgeerken@dillo.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/select.h>
+
+static void syserr (const char *fmt, ...)
+{
+   va_list args;
+   va_start (args, fmt);
+   vfprintf (stderr, fmt, args);
+   fprintf (stderr, ": %s\n", strerror (errno));
+   exit (1);
+}
+
+int main (int argc, char *argv[])
+{
+   int parent2child[2];
+   char buf[2048];
+   ssize_t n;
+
+   if (pipe (parent2child) == -1) syserr ("pipe failed");
+
+   switch (fork ()) {
+   case -1:
+      syserr ("fork failed");
+      break;
+      
+   case 0:
+      if (close (parent2child[1]) == -1)
+         syserr ("close(%d) failed", parent2child[0]);
+      if (close (0) == -1) syserr ("close(0) failed");
+      if (dup2 (parent2child[0], 0) == -1)
+         syserr ("dup2(%d, 0) failed", parent2child[0]);
+      if (close (parent2child[0]) == -1)
+         syserr ("close(%d) failed", parent2child[0]);
+
+      do {
+         if ((n = read (0, buf, sizeof (buf))) == -1) syserr ("read failed");
+         fprintf (stderr, "[child] %d bytes read\n", (int)n);
+      } while (n > 0);
+      break;
+
+   default:
+      if (close (parent2child[0]) == -1)
+         syserr ("close(%d) failed", parent2child[0]);
+      if (write (parent2child[1], "Hi!", 3) == -1) syserr ("write failed");
+      if (close (parent2child[1]) == -1)
+         syserr ("close(%d) failed", parent2child[0]);
+
+      break;
+   }
+   
+   return 0;
+}