Annotation of src/usr.bin/tmux/cmd-show-buffer.c, Revision 1.1
1.1 ! nicm 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <stdlib.h>
! 22:
! 23: #include "tmux.h"
! 24:
! 25: /*
! 26: * Show a session paste buffer.
! 27: */
! 28:
! 29: int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
! 30:
! 31: const struct cmd_entry cmd_show_buffer_entry = {
! 32: "show-buffer", "showb",
! 33: CMD_BUFFER_SESSION_USAGE,
! 34: 0,
! 35: cmd_buffer_init,
! 36: cmd_buffer_parse,
! 37: cmd_show_buffer_exec,
! 38: cmd_buffer_send,
! 39: cmd_buffer_recv,
! 40: cmd_buffer_free,
! 41: cmd_buffer_print
! 42: };
! 43:
! 44: int
! 45: cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
! 46: {
! 47: struct cmd_buffer_data *data = self->data;
! 48: struct session *s;
! 49: struct paste_buffer *pb;
! 50: u_int size;
! 51: char *buf, *ptr;
! 52: size_t len;
! 53:
! 54: if ((s = cmd_find_session(ctx, data->target)) == NULL)
! 55: return (-1);
! 56:
! 57: if (data->buffer == -1) {
! 58: if ((pb = paste_get_top(&s->buffers)) == NULL) {
! 59: ctx->error(ctx, "no buffers");
! 60: return (-1);
! 61: }
! 62: } else if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) {
! 63: ctx->error(ctx, "no buffer %d", data->buffer);
! 64: return (-1);
! 65: }
! 66:
! 67: if (pb != NULL) {
! 68: size = s->sx;
! 69:
! 70: buf = xmalloc(size + 1);
! 71: len = 0;
! 72:
! 73: ptr = pb->data;
! 74: do {
! 75: buf[len++] = *ptr++;
! 76:
! 77: if (len == size) {
! 78: buf[len] = '\0';
! 79: ctx->print(ctx, buf);
! 80:
! 81: len = 0;
! 82: }
! 83: } while (*ptr != '\0');
! 84: buf[len] = '\0';
! 85: ctx->print(ctx, buf);
! 86: }
! 87:
! 88: return (0);
! 89: }