1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c b/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c
new file mode 100644
index 000000000..f7db2e061
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 2001  Free Software Foundation.
+
+   Ensure all expected transformations of builtin fprintf occur and
+   that we honor side effects in the arguments.
+
+   Written by Kaveh R. Ghazi, 1/7/2001.  */
+
+#include <stdio.h>
+extern int fprintf_unlocked (FILE *, const char *, ...);
+extern void abort(void);
+
+void
+main_test (void)
+{
+  FILE *s_array[] = {stdout, NULL}, **s_ptr = s_array;
+  const char *const s1 = "hello world";
+  const char *const s2[] = { s1, 0 }, *const*s3;
+  
+  fprintf (*s_ptr, "");
+  fprintf (*s_ptr, "%s", "");
+  fprintf (*s_ptr, "%s", "hello");
+  fprintf (*s_ptr, "%s", "\n");
+  fprintf (*s_ptr, "%s", *s2);
+  s3 = s2;
+  fprintf (*s_ptr, "%s", *s3++);
+  if (s3 != s2+1 || *s3 != 0)
+    abort();
+  s3 = s2;
+  fprintf (*s_ptr++, "%s", *s3++);
+  if (s3 != s2+1 || *s3 != 0 || s_ptr != s_array+1 || *s_ptr != 0)
+    abort();
+  
+  s_ptr = s_array;
+  fprintf (*s_ptr, "%c", '\n');
+  fprintf (*s_ptr, "%c", **s2);
+  s3 = s2;
+  fprintf (*s_ptr, "%c", **s3++);
+  if (s3 != s2+1 || *s3 != 0)
+    abort();
+  s3 = s2;
+  fprintf (*s_ptr++, "%c", **s3++);
+  if (s3 != s2+1 || *s3 != 0 || s_ptr != s_array+1 || *s_ptr != 0)
+    abort();
+  
+  s_ptr = s_array;
+  fprintf (*s_ptr++, "hello world");
+  if (s_ptr != s_array+1 || *s_ptr != 0)
+    abort();
+  s_ptr = s_array;
+  fprintf (*s_ptr, "\n");
+    
+  /* Test at least one instance of the __builtin_ style.  We do this
+     to ensure that it works and that the prototype is correct.  */
+  __builtin_fprintf (*s_ptr, "%s", "hello world\n");
+  /* Check the unlocked style, these evaluate to nothing to avoid
+     problems on systems without the unlocked functions.  */
+  fprintf_unlocked (*s_ptr, "");
+  __builtin_fprintf_unlocked (*s_ptr, "");
+  fprintf_unlocked (*s_ptr, "%s", "");
+  __builtin_fprintf_unlocked (*s_ptr, "%s", "");
+}