[51233d]: cmd-set-buffer.c Maximize Restore History

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cmd-set-buffer.c    119 lines (95 with data), 2.8 kB

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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Add, set, or append to a paste buffer.
*/
enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_set_buffer_entry = {
"set-buffer", "setb",
"ab:n:", 0, 1,
"[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] data",
0,
cmd_set_buffer_exec
};
enum cmd_retval
cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct paste_buffer *pb;
char *pdata, *cause;
const char *bufname;
size_t psize, newsize;
bufname = NULL;
if (args_has(args, 'n')) {
if (args->argc > 0) {
cmdq_error(cmdq, "don't provide data with n flag");
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'b'))
bufname = args_get(args, 'b');
if (bufname == NULL) {
pb = paste_get_top();
if (pb == NULL) {
cmdq_error(cmdq, "no buffer");
return (CMD_RETURN_ERROR);
}
bufname = pb->name;
}
if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
cmdq_error(cmdq, "%s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}
if (args->argc != 1) {
cmdq_error(cmdq, "no data specified");
return (CMD_RETURN_ERROR);
}
psize = 0;
pdata = NULL;
pb = NULL;
if ((newsize = strlen(args->argv[0])) == 0)
return (CMD_RETURN_NORMAL);
if (args_has(args, 'b')) {
bufname = args_get(args, 'b');
pb = paste_get_name(bufname);
} else if (args_has(args, 'a')) {
pb = paste_get_top();
if (pb != NULL)
bufname = pb->name;
}
if (args_has(args, 'a') && pb != NULL) {
psize = pb->size;
pdata = xmalloc(psize);
memcpy(pdata, pb->data, psize);
}
pdata = xrealloc(pdata, psize + newsize);
memcpy(pdata + psize, args->argv[0], newsize);
psize += newsize;
if (paste_set(pdata, psize, bufname, &cause) != 0) {
cmdq_error(cmdq, "%s", cause);
free(pdata);
free(cause);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}