/**
* Like strcmp(), but for dotted versions strings NN.NN.NN
- * any number of terms are support.
+ * any number of terms are supported.
* @return 0 if versions match, -ve number if v1 is lower, +ve if v1
* is greater
*/
* NULs). Throws an exception if input data is not base64, or is
* malformed
*/
- std::string decodeBase64(const std::string& a);
+ void decodeBase64(const std::string& a, std::vector<unsigned char>& output);
/**
* convert bytes to hexadecimal equivalent
std::string encodeHex(const std::string& bytes);
std::string encodeHex(const unsigned char* rawBytes, unsigned int length);
+
+ /**
+ * Unescape string.
+ *
+ * @param str String possibly containing escaped characters.
+ * @return string with escaped characters replaced by single character
+ * values.
+ */
+ std::string unescape(const char* str);
+
+ inline std::string unescape(const std::string& str)
+ { return unescape(str.c_str()); }
+
+ /**
+ * Check a printf-style format string for dangerous (buffer-overflowing,
+ * memory re-writing) format tokens. If a problematic token is
+ * found, logs an error (SG_WARN) and returns an empty format string.
+ */
+ std::string sanitizePrintfFormat(const std::string& input);
+
} // end namespace strutils
} // end namespace simgear