Rename all test files to reflect source layout.

[gnu-emacs] / test / manual / etags / c-src / torture.c

diff --git a/test/manual/etags/c-src/torture.c b/test/manual/etags/c-src/torture.c
new file mode 100644 (file)
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+++ b/test/manual/etags/c-src/torture.c
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+/* Date: Thu, 05 Aug 1993 20:28:03 +0200
+   From: "Tom R.Hageman" <tom@basil.icce.rug.nl>
+   Subject: more etags torture;-) [etags 7.3 patch#3]
+   To: pot@CNUCE.CNR.IT
+
+   Hi,
+
+   This test file illustrates some more problems with etags (7.3):
+ 
+
+   1. parentheses are confusing,
+   2. preprocessor directives can disrupt other state machines. */
+
+/* A small torture test for etags. */
+
+/* The classic parenthesis nightmare, based on signal(). */
+void
+(*tag1 (sig, handler)) ()
+  int sig;
+  void (*handler) ();
+{
+  (*handler)(sig);
+  return handler;
+}
+
+#define notag2 void
+/* The classic, with user-defined return type. */
+notag2
+(*tag2 (sig, handler)) ()
+  int sig;
+  void (*handler) ();
+{
+  (*handler)(sig);
+  return handler;
+}
+
+/* The classic, in ANSI C style. */
+void
+(*tag3 (int sig, void (*handler) (int))) (int)
+{
+  (*handler)(sig);
+  return handler;
+}
+
+#define notag4 void
+/* The classic, with user-defined return type, in ANSI C style. */
+notag4
+(*tag4 (int sig, void (*handler) (int))) (int)
+{
+  (*handler)(sig);
+  return handler;
+}
+
+
+/* A less tortuous example. */
+void
+tag5 (handler, arg)
+void (*handler)();
+void *arg;
+{
+  (*handler)(arg);
+}
+
+/* A less tortuous example, in ANSI C style. */
+void
+tag6 (void (*handler) (void *), void *arg)
+{
+  (*handler)(arg);
+}
+
+
+/* Interfering preprocessing torture */
+
+int pp1(
+#if (__STDC__)
+       int
+#endif
+       bar)
+#if (!__STDC__)
+     int bar;
+#endif
+{
+  return bar;
+}
+
+int
+pp2
+#if __STDC__
+  (int bar)
+#else
+  (bar)
+    int bar;
+#endif
+{
+  return bar;
+}
+
+int
+#if __STDC__
+pp3(int bar)
+#else
+pp3(bar)
+  int bar;
+#endif
+{
+  return bar;
+}