lib/sexp: special case "" as an argument in lastmod ranges.

[notmuch] / lib / parse-sexp.cc

diff --git a/lib/parse-sexp.cc b/lib/parse-sexp.cc
index 08fd703708e86e6c75d960f19e2a404f46bcd20c..6282a4560983e40492d5b5625096a9b336df1feb 100644 (file)
--- a/lib/parse-sexp.cc
+++ b/lib/parse-sexp.cc
@@ -504,14 +504,20 @@ _sexp_parse_range (notmuch_database_t *notmuch,  const _sexp_prefix_t *prefix,
        long from_idx, to_idx;
 
        try {
-           from_idx = std::stol (from);
+           if (EMPTY_STRING (from))
+               from_idx = 0L;
+           else
+               from_idx = std::stol (from);
        } catch (std::logic_error &e) {
            _notmuch_database_log (notmuch, "bad 'from' revision: '%s'\n", from);
            return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
        }
 
        try {
-           to_idx = std::stol (to);
+           if (EMPTY_STRING (to))
+               to_idx = LONG_MAX;
+           else
+               to_idx = std::stol (to);
        } catch (std::logic_error &e) {
            _notmuch_database_log (notmuch, "bad 'to' revision: '%s'\n", to);
            return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;