Util function to convert string charset.

src/util.h

@@ -32,6 +32,23 @@ extern inline int round_up(unsigned int n, unsigned int mul)
 
 int int_pow(int base, int power);
 
+/**
+ * Convert the charset encoding of a given string.
+ * 
+ * @param input
+ *      Input string
+ * @param icharset
+ *      Input charset. Must be supported by iconv
+ * @param ocharset
+ *      Output charset. Must be supported by iconv
+ * @param output
+ *      Location where the pointer to the ouput string will be stored
+ * @return
+ *      1 on success, < 0 on error
+ */
+int strconv(const char *input, const char *icharset, const char *ocharset,
+            char **output);
+
 /**
  * Convert a given string from any input charset to ASCII
  * 
@@ -39,7 +56,7 @@ int int_pow(int base, int power);
  *      Input charset. Must be supported by iconv
  * @param input
  *      Input string
- * @param ouput
+ * @param output
  *      Location where the pointer to the ouput string will be stored
  * @return
  *      1 on success, < 0 on error