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/*
* This 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()
{
}
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