1 files changed, 31 insertions, 0 deletions
diff --git a/test/Runtime/POSIX/Ioctl.c b/test/Runtime/POSIX/Ioctl.c
new file mode 100644
index 00000000..0e7b2cad
--- /dev/null
+++ b/test/Runtime/POSIX/Ioctl.c
@@ -0,0 +1,31 @@
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
+// RUN: %klee --init-env --posix-runtime --exit-on-error %t.bc --sym-files 0 4
+
+#include <assert.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <termios.h>
+#include <asm/ioctls.h>
+#include <errno.h>
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+  struct stat s;
+  struct termios ts;
+
+  assert(fstat(0, &s) == 0);
+
+  assert(ioctl(10, FIONREAD, &ts) == -1 && errno == EBADF);
+
+  if (S_ISCHR(s.st_mode)) {
+    printf("is chr\n");
+    assert(ioctl(0, TIOCGWINSZ, &ts) == 0);
+  } else {
+    printf("not chr\n");
+    // I think TC* ioctls basically always fail on nonchr?
+    assert(ioctl(0, TIOCGWINSZ, &ts) == -1);
+    assert(errno == ENOTTY);
+  }
+
+  return 0;
+}