X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2Fregexp-fields.cc;h=f50da9a3c99baa9841ddb6e1912cff3bc190dbdb;hb=cc8d837d5a137a14a62526dcea60af1de7a353e4;hp=084bc8c019999cefe7b7d0dff01d27463d6cc4a7;hpb=11d47950c18f2d19718e35b7264dabf2ff2fd621;p=notmuch

diff --git a/lib/regexp-fields.cc b/lib/regexp-fields.cc
index 084bc8c0..f50da9a3 100644
--- a/lib/regexp-fields.cc
+++ b/lib/regexp-fields.cc
@@ -35,9 +35,9 @@ compile_regex (regex_t &regexp, const char *str)
     if (err != 0) {
 	size_t len = regerror (err, &regexp, NULL, 0);
 	char *buffer = new char[len];
-	std::string msg;
+	std::string msg = "Regexp error: ";
 	(void) regerror (err, &regexp, buffer, len);
-	msg.assign (buffer, len);
+	msg.append (buffer, len);
 	delete[] buffer;
 
 	throw Xapian::QueryParserError (msg);