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110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
/* $Id$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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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 "tmux.h"
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/*
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* Show a paste buffer.
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*/
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int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_show_buffer_entry = {
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"show-buffer", "showb",
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"b:", 0, 0,
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CMD_BUFFER_USAGE,
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0,
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NULL,
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NULL,
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cmd_show_buffer_exec
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};
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int
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cmd_show_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 session *s;
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struct paste_buffer *pb;
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int buffer;
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char *in, *buf, *ptr, *cause;
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size_t size, len;
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u_int width;
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if ((s = cmd_find_session(ctx, NULL, 0)) == NULL)
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return (-1);
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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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size = pb->size;
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if (size > SIZE_MAX / 4 - 1)
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size = SIZE_MAX / 4 - 1;
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in = xmalloc(size * 4 + 1);
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strvisx(in, pb->data, size, VIS_OCTAL|VIS_TAB);
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width = s->sx;
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if (ctx->cmdclient != NULL)
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width = ctx->cmdclient->tty.sx;
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buf = xmalloc(width + 1);
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len = 0;
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ptr = in;
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do {
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buf[len++] = *ptr++;
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if (len == width || buf[len - 1] == '\n') {
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if (buf[len - 1] == '\n')
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len--;
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buf[len] = '\0';
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ctx->print(ctx, "%s", buf);
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len = 0;
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}
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} while (*ptr != '\0');
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if (len != 0) {
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buf[len] = '\0';
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ctx->print(ctx, "%s", buf);
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}
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xfree(buf);
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xfree(in);
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return (0);
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}
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