GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-set-buffer.c Lines: 0 44 0.0 %
Date: 2016-12-06 Branches: 0 26 0.0 %

Line Branch Exec Source
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/* $OpenBSD: cmd-set-buffer.c,v 1.25 2016/01/19 15:59:12 nicm Exp $ */
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/*
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 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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 * Add, set, append to or delete a paste buffer.
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 */
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enum cmd_retval	 cmd_set_buffer_exec(struct cmd *, struct cmd_q *);
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const struct cmd_entry cmd_set_buffer_entry = {
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	.name = "set-buffer",
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	.alias = "setb",
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	.args = { "ab:n:", 0, 1 },
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	.usage = "[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] data",
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	.flags = 0,
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	.exec = cmd_set_buffer_exec
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};
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const struct cmd_entry cmd_delete_buffer_entry = {
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	.name = "delete-buffer",
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	.alias = "deleteb",
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	.args = { "b:", 0, 0 },
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	.usage = CMD_BUFFER_USAGE,
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	.flags = 0,
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	.exec = cmd_set_buffer_exec
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};
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enum cmd_retval
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cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
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{
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	struct args		*args = self->args;
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	struct paste_buffer	*pb;
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	char			*bufdata, *cause;
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	const char		*bufname, *olddata;
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	size_t			 bufsize, newsize;
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	bufname = args_get(args, 'b');
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	if (bufname == NULL)
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		pb = NULL;
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	else
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		pb = paste_get_name(bufname);
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	if (self->entry == &cmd_delete_buffer_entry) {
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		if (pb == NULL)
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			pb = paste_get_top(&bufname);
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		if (pb == NULL) {
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			cmdq_error(cmdq, "no buffer");
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			return (CMD_RETURN_ERROR);
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		}
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		paste_free(pb);
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		return (CMD_RETURN_NORMAL);
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	}
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	if (args_has(args, 'n')) {
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		if (pb == NULL)
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			pb = paste_get_top(&bufname);
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		if (pb == NULL) {
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			cmdq_error(cmdq, "no buffer");
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			return (CMD_RETURN_ERROR);
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		}
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		if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
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			cmdq_error(cmdq, "%s", cause);
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			free(cause);
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			return (CMD_RETURN_ERROR);
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		}
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		return (CMD_RETURN_NORMAL);
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	}
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	if (args->argc != 1) {
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		cmdq_error(cmdq, "no data specified");
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		return (CMD_RETURN_ERROR);
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	}
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	if ((newsize = strlen(args->argv[0])) == 0)
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		return (CMD_RETURN_NORMAL);
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	bufsize = 0;
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	bufdata = NULL;
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	if (args_has(args, 'a') && pb != NULL) {
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		olddata = paste_buffer_data(pb, &bufsize);
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		bufdata = xmalloc(bufsize);
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		memcpy(bufdata, olddata, bufsize);
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	}
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	bufdata = xrealloc(bufdata, bufsize + newsize);
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	memcpy(bufdata + bufsize, args->argv[0], newsize);
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	bufsize += newsize;
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	if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
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		cmdq_error(cmdq, "%s", cause);
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		free(bufdata);
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		free(cause);
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		return (CMD_RETURN_ERROR);
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	}
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	return (CMD_RETURN_NORMAL);
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}