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76bbdeb586
commands can directly make use of them. This means that load-buffer and save-buffer can have "-" as the file to read from stdin or write to stdout. This is a protocol version bump so the tmux server will need to be restarted after upgrade (or an older client used).
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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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 <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Saves a session paste buffer to a file.
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*/
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int cmd_save_buffer_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_save_buffer_entry = {
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"save-buffer", "saveb",
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"[-a] " CMD_BUFFER_SESSION_USAGE " path",
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CMD_ARG1, "a",
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cmd_buffer_init,
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cmd_buffer_parse,
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cmd_save_buffer_exec,
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cmd_buffer_free,
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cmd_buffer_print
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};
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int
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cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_buffer_data *data = self->data;
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struct session *s;
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struct paste_buffer *pb;
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mode_t mask;
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FILE *f, *close_f;
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if ((s = cmd_find_session(ctx, data->target)) == NULL)
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return (-1);
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if (data->buffer == -1) {
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if ((pb = paste_get_top(&s->buffers)) == NULL) {
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ctx->error(ctx, "no buffers");
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return (-1);
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}
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} else {
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if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) {
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ctx->error(ctx, "no buffer %d", data->buffer);
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return (-1);
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}
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}
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if (strcmp(data->arg, "-") == 0) {
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if (ctx->cmdclient == NULL) {
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ctx->error(ctx, "%s: can't write to stdout", data->arg);
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return (-1);
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}
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f = ctx->cmdclient->stdout_file;
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close_f = NULL;
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} else {
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mask = umask(S_IRWXG | S_IRWXO);
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if (cmd_check_flag(data->chflags, 'a'))
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f = fopen(data->arg, "ab");
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else
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f = fopen(data->arg, "wb");
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umask(mask);
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if (f == NULL) {
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ctx->error(ctx, "%s: %s", data->arg, strerror(errno));
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return (-1);
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}
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close_f = f;
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}
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if (fwrite(pb->data, 1, pb->size, f) != pb->size) {
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ctx->error(ctx, "%s: fwrite error", data->arg);
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fclose(f);
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return (-1);
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}
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if (close_f != NULL)
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fclose(close_f);
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return (0);
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}
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