================
@@ -12383,6 +12383,13 @@ def warn_unsafe_buffer_operation : Warning<
"%select{unsafe pointer operation|unsafe pointer arithmetic|"
"unsafe buffer access|function introduces unsafe buffer manipulation|unsafe
invocation of span::data}0">,
InGroup<UnsafeBufferUsage>, DefaultIgnore;
+def warn_unsafe_buffer_libc_call : Warning<
+ "function %0 introduces unsafe buffer access">,
+ InGroup<UnsafeBufferUsage>, DefaultIgnore;
+def note_unsafe_buffer_printf_call : Note<
+ "%select{| change to 'snprintf' for explicit bounds checking | buffer
pointer and size may not match"
+ "| use 'std::string::c_str' or string literal as string pointer to
guarantee null-termination"
----------------
haoNoQ wrote:
Also if `-Wunsafe-buffer-usage` is enabled in C (for any obscure reason), would
we still recommend `c_str` here? Maybe this recommendation should be guarded by
the "emit suggestions" flag?
https://github.com/llvm/llvm-project/pull/101583
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