added a test for running scripts directly

lib/libc/tests/sys/script.c

@@ -0,0 +1,32 @@
+/*
+ * This test tries to execute a shell script directly (via execv(2)).
+ * This *should* work.  Under GNO v2.0.4 it doesn't.
+ *
+ * Devin Reade, 1997
+ *
+ * $Id: script.c,v 1.1 1997/07/27 23:58:57 gdr Exp $
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+int 
+main (int argc, char **argv) {
+
+  char *array[2];
+
+  if (argc != 2) {
+    printf("usage: %s /fully/qualified/script/name\n", argv[0]);
+    return 1;
+  }
+
+  array[0] = argv[1];
+  array[1] = NULL;
+
+  execv(argv[1], array);
+  printf("exec of %s failed: %s\n", argv[1], strerror(errno));
+  return 1;
+}