Adding upstream version 3.3a.upstream/3.3aupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 142 insertions, 0 deletions

diff --git a/cmd-confirm-before.c b/cmd-confirm-before.c
new file mode 100644
index 0000000..ce8c95e
--- /dev/null
+++ b/cmd-confirm-before.c
@@ -0,0 +1,142 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
+ *
+ * Permission to use, copy, modify, and 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 MIND, 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.
+ */
+
+#include <sys/types.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * Asks for confirmation before executing a command.
+ */
+
+static enum args_parse_type	cmd_confirm_before_args_parse(struct args *,
+				    u_int, char **);
+static enum cmd_retval		cmd_confirm_before_exec(struct cmd *,
+				    struct cmdq_item *);
+
+static int	cmd_confirm_before_callback(struct client *, void *,
+		    const char *, int);
+static void	cmd_confirm_before_free(void *);
+
+const struct cmd_entry cmd_confirm_before_entry = {
+	.name = "confirm-before",
+	.alias = "confirm",
+
+	.args = { "bp:t:", 1, 1, cmd_confirm_before_args_parse },
+	.usage = "[-b] [-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
+
+	.flags = CMD_CLIENT_TFLAG,
+	.exec = cmd_confirm_before_exec
+};
+
+struct cmd_confirm_before_data {
+	struct cmdq_item	*item;
+	struct cmd_list		*cmdlist;
+};
+
+static enum args_parse_type
+cmd_confirm_before_args_parse(__unused struct args *args, __unused u_int idx,
+    __unused char **cause)
+{
+	return (ARGS_PARSE_COMMANDS_OR_STRING);
+}
+
+static enum cmd_retval
+cmd_confirm_before_exec(struct cmd *self, struct cmdq_item *item)
+{
+	struct args			*args = cmd_get_args(self);
+	struct cmd_confirm_before_data	*cdata;
+	struct client			*tc = cmdq_get_target_client(item);
+	struct cmd_find_state		*target = cmdq_get_target(item);
+	char				*new_prompt;
+	const char			*prompt, *cmd;
+	int				 wait = !args_has(args, 'b');
+
+	cdata = xcalloc(1, sizeof *cdata);
+	cdata->cmdlist = args_make_commands_now(self, item, 0, 1);
+	if (cdata->cmdlist == NULL)
+		return (CMD_RETURN_ERROR);
+
+	if (wait)
+		cdata->item = item;
+
+	if ((prompt = args_get(args, 'p')) != NULL)
+		xasprintf(&new_prompt, "%s ", prompt);
+	else {
+		cmd = cmd_get_entry(cmd_list_first(cdata->cmdlist))->name;
+		xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd);
+	}
+
+	status_prompt_set(tc, target, new_prompt, NULL,
+	    cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
+	    PROMPT_SINGLE, PROMPT_TYPE_COMMAND);
+	free(new_prompt);
+
+	if (!wait)
+		return (CMD_RETURN_NORMAL);
+	return (CMD_RETURN_WAIT);
+}
+
+static int
+cmd_confirm_before_callback(struct client *c, void *data, const char *s,
+    __unused int done)
+{
+	struct cmd_confirm_before_data	*cdata = data;
+	struct cmdq_item		*item = cdata->item, *new_item;
+	int				 retcode = 1;
+
+	if (c->flags & CLIENT_DEAD)
+		goto out;
+
+	if (s == NULL || *s == '\0')
+		goto out;
+	if (tolower((u_char)s[0]) != 'y' || s[1] != '\0')
+		goto out;
+	retcode = 0;
+
+	if (item == NULL) {
+		new_item = cmdq_get_command(cdata->cmdlist, NULL);
+		cmdq_append(c, new_item);
+	} else {
+		new_item = cmdq_get_command(cdata->cmdlist,
+		    cmdq_get_state(item));
+		cmdq_insert_after(item, new_item);
+	}
+
+out:
+        if (item != NULL) {
+                if (cmdq_get_client(item) != NULL &&
+                    cmdq_get_client(item)->session == NULL)
+                        cmdq_get_client(item)->retval = retcode;
+                cmdq_continue(item);
+        }
+	return (0);
+}
+
+static void
+cmd_confirm_before_free(void *data)
+{
+	struct cmd_confirm_before_data	*cdata = data;
+
+	cmd_list_free(cdata->cmdlist);
+	free(cdata);
+}