1 files changed, 58 insertions, 0 deletions
diff --git a/src/util/gccw.c b/src/util/gccw.c
new file mode 100644
index 0000000..d3421fe
--- /dev/null
+++ b/src/util/gccw.c
@@ -0,0 +1,58 @@
+ /*
+  * This is is a regression test for all the things that gcc is meant to warn
+  * about.
+  * 
+  * gcc version 3 breaks several tests:
+  * 
+  * -W does not report missing return value
+  * 
+  * -Wunused does not report unused parameter
+  */
+
+#include <stdio.h>
+#include <setjmp.h>
+
+jmp_buf jbuf;
+
+ /* -Wmissing-prototypes: no previous prototype for 'test1' */
+ /* -Wimplicit: return type defaults to `int' */
+test1(void)
+{
+    /* -Wunused: unused variable `foo' */
+    int     foo;
+
+    /* -Wparentheses: suggest parentheses around && within || */
+    printf("%d\n", 1 && 2 || 3 && 4);
+    /* -W: statement with no effect */
+    0;
+    /* BROKEN in gcc 3 */
+    /* -W: control reaches end of non-void function */
+}
+
+
+ /* -W??????: unused parameter `foo' */
+void    test2(int foo)
+{
+    enum {
+    a = 10, b = 15} moe;
+    int     bar;
+
+    /* -Wuninitialized: 'bar' might be used uninitialized in this function */
+    /* -Wformat: format argument is not a pointer (arg 2) */
+    printf("%s\n", bar);
+    /* -Wformat: too few arguments for format */
+    printf("%s%s\n", "bar");
+    /* -Wformat: too many arguments for format */
+    printf("%s\n", "bar", "bar");
+
+    /* -Wswitch: enumeration value `b' not handled in switch */
+    switch (moe) {
+    case a:
+	return;
+    }
+}
+
+ /* -Wstrict-prototypes: function declaration isn't a prototype */
+void    test3()
+{
+}