67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
|
// Test the -cc1 flag. There's no -fno-... option in -cc1 invocations,
|
||
|
|
// just the positive option.
|
||
|
|
|
||
|
|
// RUN: %clang_cc1 -std=c++20 -Wunsafe-buffer-usage -verify=OFF %s
|
||
|
|
// RUN: %clang_cc1 -std=c++20 -Wunsafe-buffer-usage -verify=ON %s \
|
||
|
|
// RUN: -fsafe-buffer-usage-suggestions
|
||
|
|
|
||
|
|
// Test driver flags. Now there's both -f... and -fno-... to worry about.
|
||
|
|
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -Xclang -verify=OFF %s
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -fsafe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=ON %s
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -fno-safe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=OFF %s
|
||
|
|
|
||
|
|
// In case of driver flags, last flag takes precedence.
|
||
|
|
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -fsafe-buffer-usage-suggestions \
|
||
|
|
// RUN: -fno-safe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=OFF %s
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -fno-safe-buffer-usage-suggestions \
|
||
|
|
// RUN: -fsafe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=ON %s
|
||
|
|
|
||
|
|
// Passing through -Xclang.
|
||
|
|
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -Xclang -fsafe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=ON %s
|
||
|
|
|
||
|
|
// -Xclang flags take precedence over driver flags.
|
||
|
|
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -Xclang -fsafe-buffer-usage-suggestions \
|
||
|
|
// RUN: -fno-safe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=ON %s
|
||
|
|
// RUN: %clang -fsyntax-only -std=c++20 -Wunsafe-buffer-usage \
|
||
|
|
// RUN: -fno-safe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -fsafe-buffer-usage-suggestions \
|
||
|
|
// RUN: -Xclang -verify=ON %s
|
||
|
|
|
||
|
|
[[clang::unsafe_buffer_usage]] void bar(int *);
|
||
|
|
|
||
|
|
void foo(int *x) { // \
|
||
|
|
// ON-warning{{'x' is an unsafe pointer used for buffer access}}
|
||
|
|
// FIXME: Better "OFF" warning?
|
||
|
|
x[5] = 10; // \
|
||
|
|
// ON-note {{used in buffer access here}} \
|
||
|
|
// OFF-warning{{unsafe buffer access}} \
|
||
|
|
// OFF-note {{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
|
||
|
|
|
||
|
|
x += 5; // \
|
||
|
|
// ON-note {{used in pointer arithmetic here}} \
|
||
|
|
// OFF-warning{{unsafe pointer arithmetic}} \
|
||
|
|
// OFF-note {{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
|
||
|
|
|
||
|
|
bar(x); // \
|
||
|
|
// ON-warning{{function introduces unsafe buffer manipulation}} \
|
||
|
|
// OFF-warning{{function introduces unsafe buffer manipulation}} \
|
||
|
|
// OFF-note {{pass -fsafe-buffer-usage-suggestions to receive code hardening suggestions}}
|
||
|
|
}
|