Reserve enough storage for the output in base64_decode

[libs/datafile.git] / source / textparser.cpp

diff --git a/source/textparser.cpp b/source/textparser.cpp
index 7ea0600f8565a5fc743fc0d44c10bf76db3af0f9..d467de8582ef323367538ec8dbfd8f03a5e54272 100644 (file)
--- a/source/textparser.cpp
+++ b/source/textparser.cpp
@@ -314,6 +314,7 @@ bool TextParser::isodigit(int c)
 string TextParser::base64_decode(const string &data)
 {
        string bin;
+       bin.reserve(data.size()*3/4);
        unsigned accum = 0;
        unsigned a_bits = 0;
        for(string::const_iterator i=data.begin(); i!=data.end(); ++i)