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Prepend regerror() messages with "regexp error: "

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The exact error messages returned by regerror() aren't standardized;
relying on them isn't portable. Thus, add a a prefix to make clear that
the subsequent message is a regexp parsing error, and only look for this
prefix in the test suite, ignoring the rest of the message.
This commit is contained in:
Luis Ressel 2019-03-11 18:14:49 +01:00 committed by David Bremner
parent a1e649276e
commit 9f7e851263
2 changed files with 4 additions and 4 deletions
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4
lib/regexp-fields.cc
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@ -35,9 +35,9 @@ compile_regex (regex_t &regexp, const char *str)
if (err != 0) { if (err != 0) {
size_t len = regerror (err, &regexp, NULL, 0); size_t len = regerror (err, &regexp, NULL, 0);
char *buffer = new char[len]; char *buffer = new char[len];
std::string msg; std::string msg = "Regexp error: ";
(void) regerror (err, &regexp, buffer, len); (void) regerror (err, &regexp, buffer, len);
msg.assign (buffer, len); msg.append (buffer, len);
delete[] buffer; delete[] buffer;
throw Xapian::QueryParserError (msg); throw Xapian::QueryParserError (msg);

4
test/T650-regexp-query.sh
View file

@ -137,10 +137,10 @@ EOF
test_expect_equal_file EXPECTED OUTPUT test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "regexp error reporting" test_begin_subtest "regexp error reporting"
notmuch search 'from:/unbalanced[/' 1>OUTPUT 2>&1 notmuch search 'from:/unbalanced[/' 2>&1 | sed -e '/^A Xapian/ s/[^:]*$//' > OUTPUT
cat <<EOF > EXPECTED cat <<EOF > EXPECTED
notmuch search: A Xapian exception occurred notmuch search: A Xapian exception occurred
A Xapian exception occurred parsing query: Invalid regular expression A Xapian exception occurred parsing query: Regexp error:
Query string was: from:/unbalanced[/ Query string was: from:/unbalanced[/
EOF EOF
test_expect_equal_file EXPECTED OUTPUT test_expect_equal_file EXPECTED OUTPUT