/* $Id: cmd-save-buffer.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */ /* * Copyright (c) 2009 Tiago Cunha * * 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 #include #include #include #include "tmux.h" /* * Saves a session paste buffer to a file. */ int cmd_save_buffer_exec(struct cmd *, struct cmd_ctx *); const struct cmd_entry cmd_save_buffer_entry = { "save-buffer", "saveb", "ab:", 1, 1, "[-a] " CMD_BUFFER_USAGE, 0, NULL, NULL, cmd_save_buffer_exec }; int cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) { struct args *args = self->args; struct client *c = ctx->cmdclient; struct paste_buffer *pb; const char *path; char *cause; int buffer; mode_t mask; FILE *f; if (!args_has(args, 'b')) { if ((pb = paste_get_top(&global_buffers)) == NULL) { ctx->error(ctx, "no buffers"); return (-1); } } else { buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); if (cause != NULL) { ctx->error(ctx, "buffer %s", cause); xfree(cause); return (-1); } pb = paste_get_index(&global_buffers, buffer); if (pb == NULL) { ctx->error(ctx, "no buffer %d", buffer); return (-1); } } path = args->argv[0]; if (strcmp(path, "-") == 0) { if (c == NULL) { ctx->error(ctx, "%s: can't write to stdout", path); return (-1); } bufferevent_write(c->stdout_event, pb->data, pb->size); } else { mask = umask(S_IRWXG | S_IRWXO); if (args_has(self->args, 'a')) f = fopen(path, "ab"); else f = fopen(path, "wb"); umask(mask); if (f == NULL) { ctx->error(ctx, "%s: %s", path, strerror(errno)); return (-1); } if (fwrite(pb->data, 1, pb->size, f) != pb->size) { ctx->error(ctx, "%s: fwrite error", path); fclose(f); return (-1); } fclose(f); } return (0); }