X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fbase64.cpp;h=728814b003dce0b7081168d2708f8b0b705d40de;hb=a020d1b653f94fbcaac06c15f9dbab4521fda355;hp=0dfba501303aa4606232c5f667f35f6ea895b86c;hpb=7cfb71385d00d1cbbbfd9c76f6c01adafa9e648a;p=oweals%2Fminetest.git

diff --git a/src/base64.cpp b/src/base64.cpp
index 0dfba5013..728814b00 100644
--- a/src/base64.cpp
+++ b/src/base64.cpp
@@ -38,6 +38,13 @@ static inline bool is_base64(unsigned char c) {
   return (isalnum(c) || (c == '+') || (c == '/'));
 }
 
+bool base64_is_valid(std::string const& s)
+{
+	for(size_t i=0; i<s.size(); i++)
+		if(!is_base64(s[i])) return false;
+	return true;
+}
+
 std::string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_len) {
   std::string ret;
   int i = 0;