mirror of
https://github.com/tmux/tmux.git
synced 2024-11-16 17:39:09 +00:00
8da8bc477f
In load-buffer, read until EOF rather than using stat() and reading a fixed size. Allows use of FIFOs and whatnot. From Tiago Cunha, idea from Fulvio Ciriaco.
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* $Id: cmd-load-buffer.c,v 1.15 2010-02-26 13:30:07 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 <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.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;
|
|
FILE *f;
|
|
char *pdata, *new_pdata;
|
|
size_t psize;
|
|
u_int limit;
|
|
int ch;
|
|
|
|
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);
|
|
}
|
|
|
|
pdata = NULL;
|
|
psize = 0;
|
|
while ((ch = getc(f)) != EOF) {
|
|
/* Do not let the server die due to memory exhaustion. */
|
|
if ((new_pdata = realloc(pdata, psize + 2)) == NULL) {
|
|
ctx->error(ctx, "realloc error: %s", strerror(errno));
|
|
goto error;
|
|
}
|
|
pdata = new_pdata;
|
|
pdata[psize++] = ch;
|
|
}
|
|
if (ferror(f)) {
|
|
ctx->error(ctx, "%s: read error", data->arg);
|
|
goto error;
|
|
}
|
|
if (pdata != NULL)
|
|
pdata[psize] = '\0';
|
|
|
|
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);
|
|
}
|