1 files changed, 42 insertions, 0 deletions
diff --git a/lib/dpkg/trigname.c b/lib/dpkg/trigname.c
new file mode 100644
index 0000000..d271140
--- /dev/null
+++ b/lib/dpkg/trigname.c
@@ -0,0 +1,42 @@
+/*
+ * libdpkg - Debian packaging suite library routines
+ * trigname.c - trigger name handling
+ *
+ * Copyright © 2007 Canonical Ltd
+ * Written by Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/triglib.h>
+
+const char *
+trig_name_is_illegal(const char *p)
+{
+	int c;
+
+	if (!*p)
+		return _("empty trigger names are not permitted");
+
+	while ((c = *p++)) {
+		if (c <= ' ' || c >= 0177)
+			return _("trigger name contains invalid character");
+	}
+
+	return NULL;
+}