103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
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/* $Id: cmd-save-buffer.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
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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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"ab:", 1, 1,
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"[-a] " CMD_BUFFER_USAGE,
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0,
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NULL,
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NULL,
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cmd_save_buffer_exec
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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 args *args = self->args;
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struct client *c = ctx->cmdclient;
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struct paste_buffer *pb;
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const char *path;
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char *cause;
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int buffer;
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mode_t mask;
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FILE *f;
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if (!args_has(args, 'b')) {
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if ((pb = paste_get_top(&global_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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buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
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if (cause != NULL) {
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ctx->error(ctx, "buffer %s", cause);
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xfree(cause);
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return (-1);
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}
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pb = paste_get_index(&global_buffers, buffer);
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if (pb == NULL) {
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ctx->error(ctx, "no buffer %d", buffer);
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return (-1);
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}
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}
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path = args->argv[0];
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if (strcmp(path, "-") == 0) {
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if (c == NULL) {
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ctx->error(ctx, "%s: can't write to stdout", path);
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return (-1);
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}
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bufferevent_write(c->stdout_event, pb->data, pb->size);
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} else {
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mask = umask(S_IRWXG | S_IRWXO);
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if (args_has(self->args, 'a'))
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f = fopen(path, "ab");
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else
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f = fopen(path, "wb");
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umask(mask);
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if (f == NULL) {
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ctx->error(ctx, "%s: %s", path, strerror(errno));
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return (-1);
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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", path);
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fclose(f);
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return (-1);
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}
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fclose(f);
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}
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return (0);
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}
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