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-rw-r--r--src/string.cpp15
-rw-r--r--src/string_func.h2
2 files changed, 17 insertions, 0 deletions
diff --git a/src/string.cpp b/src/string.cpp
index c3d6f5bc0..9d75e5c65 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -216,6 +216,21 @@ void str_strip_colours(char *str)
}
/**
+ * Get the length of an UTF-8 encoded string in number of characters
+ * and thus not the number of bytes that the encoded string contains.
+ * @param s The string to get the length for.
+ * @return The length of the string in characters.
+ */
+size_t Utf8StringLength(const char *s)
+{
+ size_t len = 0;
+ const char *t = s;
+ while (Utf8Consume(&t) != 0) len++;
+ return len;
+}
+
+
+/**
* Convert a given ASCII string to lowercase.
* NOTE: only support ASCII characters, no UTF8 fancy. As currently
* the function is only used to lowercase data-filenames if they are
diff --git a/src/string_func.h b/src/string_func.h
index fd79d6bea..fe3d16971 100644
--- a/src/string_func.h
+++ b/src/string_func.h
@@ -233,6 +233,8 @@ static inline char *Utf8PrevChar(char *s)
return ret;
}
+size_t Utf8StringLength(const char *s);
+
/**
* Is the given character a text direction character.
* @param c The character to test.