Use isxdigit.
Thanks to Benjamin Kramer for the suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183540 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/YAML.cpp b/lib/Object/YAML.cpp
index e63bd5d..4e7f089 100644
--- a/lib/Object/YAML.cpp
+++ b/lib/Object/YAML.cpp
@@ -23,14 +23,6 @@
Val.writeAsHex(Out);
}
-// Can't find this anywhere else in the codebase (clang has one, but it has
-// some baggage). Deduplicate as required.
-static bool isHexDigit(uint8_t C) {
- return ('0' <= C && C <= '9') ||
- ('A' <= C && C <= 'F') ||
- ('a' <= C && C <= 'f');
-}
-
StringRef yaml::ScalarTraits<object::yaml::BinaryRef>::input(
StringRef Scalar, void *, object::yaml::BinaryRef &Val) {
if (Scalar.size() % 2 != 0)
@@ -38,7 +30,7 @@
// TODO: Can we improve YAMLIO to permit a more accurate diagnostic here?
// (e.g. a caret pointing to the offending character).
for (unsigned I = 0, N = Scalar.size(); I != N; ++I)
- if (!isHexDigit(Scalar[I]))
+ if (!isxdigit(Scalar[I]))
return "BinaryRef hex string must contain only hex digits.";
Val = object::yaml::BinaryRef(Scalar);
return StringRef();