| // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -verify -Wformat -Wformat-signedness %s |
| // RUN: %clang_cc1 -triple=x86_64-pc-win32 -fsyntax-only -verify -Wformat -Wformat-signedness %s |
| |
| // Verify that -Wformat-signedness alone (without -Wformat) trigger the |
| // warnings. Note in gcc this will not trigger the signedness warnings as |
| // -Wformat is default off in gcc. |
| // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -verify -Wformat-signedness %s |
| // RUN: %clang_cc1 -triple=x86_64-pc-win32 -fsyntax-only -verify -Wformat-signedness %s |
| |
| // Verify that -Wformat-signedness warnings are not reported with only -Wformat |
| // (gcc compat). |
| // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wformat -verify=okay %s |
| |
| // Verify that -Wformat-signedness with -Wno-format are not reported (gcc compat). |
| // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wformat-signedness -Wno-format -verify=okay %s |
| // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wno-format -Wformat-signedness -verify=okay %s |
| // okay-no-diagnostics |
| |
| // Ignore 'GCC requires a function with the 'format' attribute to be variadic'. |
| #pragma GCC diagnostic ignored "-Wgcc-compat" |
| namespace GH161075 { |
| template <typename... Args> |
| void format(const char *fmt, Args &&...args) |
| __attribute__((format(printf, 1, 2))); |
| |
| void do_format() { |
| bool b = false; |
| format("%hhi %hhu %hi %hu %i %u", b, b, b, b, b, b); // expected-warning {{format specifies type 'unsigned char' but the argument has type 'bool', which differs in signedness}} |
| } |
| } // namespace GH161075 |
