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# File 'ext/mysql2/client.c', line 327
static VALUE rb_mysql_client_escape(VALUE self, VALUE str) {
VALUE newStr;
unsigned long newLen, oldLen;
GET_CLIENT(self)
Check_Type(str, T_STRING);
#ifdef HAVE_RUBY_ENCODING_H
rb_encoding *default_internal_enc = rb_default_internal_encoding();
rb_encoding *conn_enc = rb_to_encoding(wrapper->encoding);
// ensure the string is in the encoding the connection is expecting
str = rb_str_export_to_enc(str, conn_enc);
#endif
oldLen = RSTRING_LEN(str);
char escaped[(oldLen*2)+1];
REQUIRE_OPEN_DB(client);
newLen = mysql_real_escape_string(client, escaped, StringValuePtr(str), oldLen);
if (newLen == oldLen) {
// no need to return a new ruby string if nothing changed
return str;
} else {
newStr = rb_str_new(escaped, newLen);
#ifdef HAVE_RUBY_ENCODING_H
rb_enc_associate(newStr, conn_enc);
if (default_internal_enc) {
newStr = rb_str_export_to_enc(newStr, default_internal_enc);
}
#endif
return newStr;
}
}
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