/* $Id: cmd-show-buffer.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott * * 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 "tmux.h" /* * Show a session paste buffer. */ int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *); const struct cmd_entry cmd_show_buffer_entry = { "show-buffer", "showb", "b:", 0, 0, CMD_BUFFER_USAGE, 0, NULL, NULL, cmd_show_buffer_exec }; int cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) { struct args *args = self->args; struct session *s; struct paste_buffer *pb; int buffer; char *in, *buf, *ptr, *cause; size_t size, len; u_int width; if ((s = cmd_find_session(ctx, NULL, 0)) == NULL) return (-1); 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); } } size = pb->size; if (size > SIZE_MAX / 4 - 1) size = SIZE_MAX / 4 - 1; in = xmalloc(size * 4 + 1); strvisx(in, pb->data, size, VIS_OCTAL|VIS_TAB); width = s->sx; if (ctx->cmdclient != NULL) width = ctx->cmdclient->tty.sx; buf = xmalloc(width + 1); len = 0; ptr = in; do { buf[len++] = *ptr++; if (len == width || buf[len - 1] == '\n') { if (buf[len - 1] == '\n') len--; buf[len] = '\0'; ctx->print(ctx, "%s", buf); len = 0; } } while (*ptr != '\0'); if (len != 0) { buf[len] = '\0'; ctx->print(ctx, "%s", buf); } xfree(buf); xfree(in); return (0); }