From ede8312d59c5d08990f83f38682c26434823525b Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Wed, 11 Jul 2012 07:10:15 +0000
Subject: Make command exec functions return an enum rather than -1/0/1 values
 and add a new value to mean "leave client running but don't attach" to fix
 problems with using some commands in a command sequence. Most of the work by
 Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.

---
 cmd-set-option.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

(limited to 'cmd-set-option.c')

diff --git a/cmd-set-option.c b/cmd-set-option.c
index 8e55a4fc..d8d9edad 100644
--- a/cmd-set-option.c
+++ b/cmd-set-option.c
@@ -27,7 +27,7 @@
  * Set an option.
  */
 
-int	cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
+enum cmd_retval	 cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
 
 int	cmd_set_option_unset(struct cmd *, struct cmd_ctx *,
 	    const struct options_table_entry *, struct options *,
@@ -78,7 +78,7 @@ const struct cmd_entry cmd_set_window_option_entry = {
 	cmd_set_option_exec
 };
 
-int
+enum cmd_retval
 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct args				*args = self->args;
@@ -95,7 +95,7 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 	optstr = args->argv[0];
 	if (*optstr == '\0') {
 		ctx->error(ctx, "invalid option");
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	}
 	if (args->argc < 2)
 		valstr = NULL;
@@ -106,11 +106,11 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 	table = oe = NULL;
 	if (options_table_find(optstr, &table, &oe) != 0) {
 		ctx->error(ctx, "ambiguous option: %s", optstr);
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	}
 	if (oe == NULL) {
 		ctx->error(ctx, "unknown option: %s", optstr);
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	}
 
 	/* Work out the tree from the table. */
@@ -122,7 +122,7 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 		else {
 			wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
 			if (wl == NULL)
-				return (-1);
+				return (CMD_RETURN_ERROR);
 			oo = &wl->window->options;
 		}
 	} else if (table == session_options_table) {
@@ -131,21 +131,21 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 		else {
 			s = cmd_find_session(ctx, args_get(args, 't'), 0);
 			if (s == NULL)
-				return (-1);
+				return (CMD_RETURN_ERROR);
 			oo = &s->options;
 		}
 	} else {
 		ctx->error(ctx, "unknown table");
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	}
 
 	/* Unset or set the option. */
 	if (args_has(args, 'u')) {
 		if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
-			return (-1);
+			return (CMD_RETURN_ERROR);
 	} else {
 		if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
-			return (-1);
+			return (CMD_RETURN_ERROR);
 	}
 
 	/* Start or stop timers when automatic-rename changed. */
@@ -168,7 +168,7 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 			server_redraw_client(c);
 	}
 
-	return (0);
+	return (CMD_RETURN_NORMAL);
 }
 
 /* Unset an option. */
-- 
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