================
@@ -851,6 +851,50 @@ class ScanfDiagnosticFormatHandler
}
};
+/// `I` points to the next character of `%p` format.
+/// This functon checks if the subsequent character can be linux kernel's
+/// extnded format specifier
+static inline constexpr bool canBeLinuxFormatExtension(const char *I,
+ const char *E) {
+ assert(I < E && "format string not yet exhausted");
+ // Kernel Document: https://docs.kernel.org/core-api/printk-formats.html
+ switch (*I) {
----------------
hazohelet wrote:
These switch cases correspond to
https://github.com/torvalds/linux/blob/0bb80ecc33a8fb5a682236443c1e740d5c917d1d/lib/vsprintf.c#L2406-L2412
Note that kernel extension `%pA` is for Rust and thus excluded here.
ref: https://docs.kernel.org/core-api/printk-formats.html
https://github.com/llvm/llvm-project/pull/65969
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