Add alias management plus input filtering skeleton

Some of the alias stuff was kind of stolen from earlier figuring-out
Bill did. More Bill code is also on the way. :^)

1 files changed, 37 insertions, 0 deletions

diff --git a/src/alias.h b/src/alias.h
new file mode 100644
index 0000000..3e417d9
--- /dev/null
+++ b/src/alias.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2022 Michael Smith <mikesmiffy128@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef INC_ALIAS_H
+#define INC_ALIAS_H
+
+#include <stdbool.h>
+
+struct alias {
+	struct alias *next;
+	char name[32]; // TIL this has a hard limit :^)
+	char *value;
+};
+extern struct alias **_alias_head;
+#define alias_head (*_alias_head) // act as a global
+
+void alias_rm(const char *name);
+void alias_nuke(void);
+
+bool alias_init(void);
+
+#endif
+
+// vi: sw=4 ts=4 noet tw=80 cc=80