X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-restore.c;h=13b4325a882667b9178e432d87de14f94f1fb85c;hp=75bc09a68629da667fb8e3a62257ba028c6fc431;hb=7a87830f5eb32373bc17235e9d178d383830dc64;hpb=a77d9adcacf001025092087fb6c1d77743cdf699

diff --git a/notmuch-restore.c b/notmuch-restore.c
index 75bc09a6..13b4325a 100644
--- a/notmuch-restore.c
+++ b/notmuch-restore.c
@@ -77,13 +77,21 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
 	optind++;
     }
 
+    if (optind < argc) {
+	fprintf (stderr,
+	 "Cannot read dump from more than one file: %s\n",
+		 argv[optind]);
+	return 1;
+    }
+
     /* Dump output is one line per message. We match a sequence of
      * 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];