| /* PR c/83656 - missing -Wbuiltin-declaration-mismatch on declaration |
| without prototype |
| { dg-do compile } |
| { dg-options "-Wall -Wextra" } */ |
| |
| typedef __SIZE_TYPE__ size_t; |
| |
| /* Verify that ordinary library built-ins are not diagnosed with -Wextra |
| when they take no arguments (except in cases of return type mismatches). |
| This is in anticipation that C may some day adopt the same syntax as |
| C++ for declaring functions that take no arguments. */ |
| |
| void abort (); |
| |
| /* Verify that ordinary library built-ins are diagnosed with -Wextra |
| when they take arguments. */ |
| |
| void* memcpy (); /* { dg-warning "declaration of built-in function .memcpy. without a prototype; expected .void \\\*\\\(void \\\*, const void \\\*, \(long \)*unsigned int\\\)." } */ |
| void* memset (); /* { dg-warning "declaration of built-in function .memset. without a prototype; expected .void \\\*\\\(void \\\*, int, *\(long \)*unsigned int\\\)." } */ |
| size_t strlen (); /* { dg-warning "declaration of built-in function .strlen. without a prototype; expected .\(long \)*unsigned int\\\(const char \\\*\\\)." } */ |
| |
| /* Variadic built-ins are diagnosed even without -Wextra (they are, |
| in fact, diagnosed by default). */ |
| int printf (); /* { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" } */ |
| int sprintf (); /* { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" } */ |
