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-rw-r--r--src/util/WStringUtil.cxx15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/util/WStringUtil.cxx b/src/util/WStringUtil.cxx
index b70a7749e..19e4fc68d 100644
--- a/src/util/WStringUtil.cxx
+++ b/src/util/WStringUtil.cxx
@@ -43,6 +43,21 @@ StringEndsWith(const wchar_t *haystack, const wchar_t *needle)
}
const wchar_t *
+StringAfterPrefix(const wchar_t *string, const wchar_t *prefix)
+{
+#if !CLANG_CHECK_VERSION(3,6)
+ /* disabled on clang due to -Wtautological-pointer-compare */
+ assert(string != nullptr);
+ assert(prefix != nullptr);
+#endif
+
+ size_t prefix_length = StringLength(prefix);
+ return StringIsEqual(string, prefix, prefix_length)
+ ? string + prefix_length
+ : nullptr;
+}
+
+const wchar_t *
FindStringSuffix(const wchar_t *p, const wchar_t *suffix)
{
const size_t p_length = StringLength(p);