mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-23 08:33:17 +01:00
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* $Id: cmd-load-buffer.c,v 1.14 2009-11-28 14:55:22 tcunha Exp $ */
|
|
|
|
/*
|
|
* 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 <sys/stat.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
/*
|
|
* Loads a session paste buffer from a file.
|
|
*/
|
|
|
|
int cmd_load_buffer_exec(struct cmd *, struct cmd_ctx *);
|
|
|
|
const struct cmd_entry cmd_load_buffer_entry = {
|
|
"load-buffer", "loadb",
|
|
CMD_BUFFER_SESSION_USAGE " path",
|
|
CMD_ARG1, "",
|
|
cmd_buffer_init,
|
|
cmd_buffer_parse,
|
|
cmd_load_buffer_exec,
|
|
cmd_buffer_free,
|
|
cmd_buffer_print
|
|
};
|
|
|
|
int
|
|
cmd_load_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
|
|
{
|
|
struct cmd_buffer_data *data = self->data;
|
|
struct session *s;
|
|
struct stat sb;
|
|
FILE *f;
|
|
char *pdata = NULL;
|
|
size_t psize;
|
|
u_int limit;
|
|
|
|
if ((s = cmd_find_session(ctx, data->target)) == NULL)
|
|
return (-1);
|
|
|
|
if ((f = fopen(data->arg, "rb")) == NULL) {
|
|
ctx->error(ctx, "%s: %s", data->arg, strerror(errno));
|
|
return (-1);
|
|
}
|
|
|
|
if (fstat(fileno(f), &sb) < 0) {
|
|
ctx->error(ctx, "%s: %s", data->arg, strerror(errno));
|
|
goto error;
|
|
}
|
|
if (sb.st_size <= 0 || (uintmax_t) sb.st_size > SIZE_MAX) {
|
|
ctx->error(ctx, "%s: file empty or too large", data->arg);
|
|
goto error;
|
|
}
|
|
psize = (size_t) sb.st_size;
|
|
|
|
/*
|
|
* We don't want to die due to memory exhaustion, hence xmalloc can't
|
|
* be used here.
|
|
*/
|
|
if ((pdata = malloc(psize)) == NULL) {
|
|
ctx->error(ctx, "malloc error: %s", strerror(errno));
|
|
goto error;
|
|
}
|
|
|
|
if (fread(pdata, 1, psize, f) != psize) {
|
|
ctx->error(ctx, "%s: fread error", data->arg);
|
|
goto error;
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
limit = options_get_number(&s->options, "buffer-limit");
|
|
if (data->buffer == -1) {
|
|
paste_add(&s->buffers, pdata, psize, limit);
|
|
return (0);
|
|
}
|
|
if (paste_replace(&s->buffers, data->buffer, pdata, psize) != 0) {
|
|
ctx->error(ctx, "no buffer %d", data->buffer);
|
|
goto error;
|
|
}
|
|
|
|
return (0);
|
|
|
|
error:
|
|
if (pdata != NULL)
|
|
xfree(pdata);
|
|
fclose(f);
|
|
return (-1);
|
|
}
|