xregcomp: don't consider every regex compilation failure an internal error.

[notmuch] / notmuch-restore.c

diff --git a/notmuch-restore.c b/notmuch-restore.c
index ff1ebab10d758b963a4774f91e89a43c6be3c50f..13b4325a882667b9178e432d87de14f94f1fb85c 100644 (file)
--- a/notmuch-restore.c
+++ b/notmuch-restore.c
@@ -88,9 +88,10 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
      * non-space characters for the message-id, then one or more
      * spaces, then a list of space-separated tags as a sequence of
      * characters within literal '(' and ')'. */
-    xregcomp (&regex,
-             "^([^ ]+) \\(([^)]*)\\)$",
-             REG_EXTENDED);
+    if ( xregcomp (&regex,
+                  "^([^ ]+) \\(([^)]*)\\)$",
+                  REG_EXTENDED) )
+       INTERNAL_ERROR("compile time constant regex failed.");
 
     while ((line_len = getline (&line, &line_size, input)) != -1) {
        regmatch_t match[3];