mirror of
https://github.com/tmux/tmux.git
synced 2024-12-13 01:48:47 +00:00
95195f5258
consistent but with much less duplication, but keeping the same internal API. Also adds more readable aliases for some of the special tokens used in targets (eg "{start}" instead of "^"). Some behaviours may have changed, for example prefix matches now happen before fnmatch.
159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* 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 <sys/stat.h>
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <vis.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
/*
|
|
* Saves a paste buffer to a file.
|
|
*/
|
|
|
|
enum cmd_retval cmd_save_buffer_exec(struct cmd *, struct cmd_q *);
|
|
|
|
const struct cmd_entry cmd_save_buffer_entry = {
|
|
"save-buffer", "saveb",
|
|
"ab:", 1, 1,
|
|
"[-a] " CMD_BUFFER_USAGE " path",
|
|
0,
|
|
cmd_save_buffer_exec
|
|
};
|
|
|
|
const struct cmd_entry cmd_show_buffer_entry = {
|
|
"show-buffer", "showb",
|
|
"b:", 0, 0,
|
|
CMD_BUFFER_USAGE,
|
|
0,
|
|
cmd_save_buffer_exec
|
|
};
|
|
|
|
enum cmd_retval
|
|
cmd_save_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
|
|
{
|
|
struct args *args = self->args;
|
|
struct client *c = cmdq->client;
|
|
struct session *s;
|
|
struct paste_buffer *pb;
|
|
const char *path, *bufname;
|
|
char *start, *end, *msg;
|
|
size_t size, used, msglen;
|
|
int cwd, fd;
|
|
FILE *f;
|
|
|
|
if (!args_has(args, 'b')) {
|
|
if ((pb = paste_get_top()) == NULL) {
|
|
cmdq_error(cmdq, "no buffers");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
} else {
|
|
bufname = args_get(args, 'b');
|
|
pb = paste_get_name(bufname);
|
|
if (pb == NULL) {
|
|
cmdq_error(cmdq, "no buffer %s", bufname);
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
}
|
|
|
|
if (self->entry == &cmd_show_buffer_entry)
|
|
path = "-";
|
|
else
|
|
path = args->argv[0];
|
|
if (strcmp(path, "-") == 0) {
|
|
if (c == NULL) {
|
|
cmdq_error(cmdq, "can't write to stdout");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
if (c->session == NULL || (c->flags & CLIENT_CONTROL))
|
|
goto do_stdout;
|
|
goto do_print;
|
|
}
|
|
|
|
if (c != NULL && c->session == NULL)
|
|
cwd = c->cwd;
|
|
else if ((s = cmd_find_current(cmdq)) != NULL)
|
|
cwd = s->cwd;
|
|
else
|
|
cwd = AT_FDCWD;
|
|
|
|
f = NULL;
|
|
if (args_has(self->args, 'a')) {
|
|
fd = openat(cwd, path, O_CREAT|O_RDWR|O_APPEND, 0600);
|
|
if (fd != -1)
|
|
f = fdopen(fd, "ab");
|
|
} else {
|
|
fd = openat(cwd, path, O_CREAT|O_RDWR|O_TRUNC, 0600);
|
|
if (fd != -1)
|
|
f = fdopen(fd, "wb");
|
|
}
|
|
if (f == NULL) {
|
|
if (fd != -1)
|
|
close(fd);
|
|
cmdq_error(cmdq, "%s: %s", path, strerror(errno));
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
if (fwrite(pb->data, 1, pb->size, f) != pb->size) {
|
|
cmdq_error(cmdq, "%s: fwrite error", path);
|
|
fclose(f);
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
fclose(f);
|
|
|
|
return (CMD_RETURN_NORMAL);
|
|
|
|
do_stdout:
|
|
evbuffer_add(c->stdout_data, pb->data, pb->size);
|
|
server_push_stdout(c);
|
|
return (CMD_RETURN_NORMAL);
|
|
|
|
do_print:
|
|
if (pb->size > (INT_MAX / 4) - 1) {
|
|
cmdq_error(cmdq, "buffer too big");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
msg = NULL;
|
|
|
|
used = 0;
|
|
while (used != pb->size) {
|
|
start = pb->data + used;
|
|
end = memchr(start, '\n', pb->size - used);
|
|
if (end != NULL)
|
|
size = end - start;
|
|
else
|
|
size = pb->size - used;
|
|
|
|
msglen = size * 4 + 1;
|
|
msg = xrealloc(msg, msglen);
|
|
|
|
strvisx(msg, start, size, VIS_OCTAL|VIS_TAB);
|
|
cmdq_print(cmdq, "%s", msg);
|
|
|
|
used += size + (end != NULL);
|
|
}
|
|
|
|
free(msg);
|
|
return (CMD_RETURN_NORMAL);
|
|
}
|