(build_type_arg): Set re_syntax_options to a value that is compatible

with what POSIX requires.

diff --git a/src/nl.c b/src/nl.c
index f17f7149a770d86c491ccdfe0cc74ddf3afee911..7aad2e8f2467d5b5c917ef189d6f91fe8ce4bc37 100644 (file)
--- a/src/nl.c
+++ b/src/nl.c
@@ -253,6 +253,7 @@ build_type_arg (char **typep, struct re_pattern_buffer *regexp, char *fastmap)
       regexp->allocated = 0;
       regexp->fastmap = fastmap;
       regexp->translate = NULL;
+      re_syntax_options = RE_SYNTAX_POSIX_BASIC & ~RE_CONTEXT_INVALID_DUP;
       errmsg = re_compile_pattern (optarg, strlen (optarg), regexp);
       if (errmsg)
        error (EXIT_FAILURE, 0, "%s", errmsg);