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Sync OpenBSD patchset 269:

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Pass show-buffer output through vis(3) as well, and wrap it to the edge of the
terminal when used from the command line.
This commit is contained in:
Tiago Cunha 2009-08-20 11:30:24 +00:00
parent 9386f640a5
commit 3756fce553
1 changed files with 37 additions and 20 deletions
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57
cmd-show-buffer.c
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@ -1,4 +1,4 @@
/* $Id: cmd-show-buffer.c,v 1.6 2009-07-28 22:12:16 tcunha Exp $ */
/* $Id: cmd-show-buffer.c,v 1.7 2009-08-20 11:30:24 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -18,7 +18,8 @@
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <vis.h>
#include "tmux.h"
@ -45,9 +46,9 @@ cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
struct cmd_buffer_data *data = self->data;
struct session *s;
struct paste_buffer *pb;
u_int size;
char *buf, *ptr;
size_t len;
char *in, *buf, *ptr;
size_t size, len;
u_int width;
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
@ -61,27 +62,43 @@ cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
ctx->error(ctx, "no buffer %d", data->buffer);
return (-1);
}
if (pb == NULL)
return (0);
if (pb != NULL) {
size = s->sx;
size = strlen(pb->data);
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);
buf = xmalloc(size + 1);
len = 0;
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';
ptr = pb->data;
do {
buf[len++] = *ptr++;
if (len == size) {
buf[len] = '\0';
ctx->print(ctx, buf);
len = 0;
}
} while (*ptr != '\0');
ctx->print(ctx, "%s", buf);
len = 0;
}
} while (*ptr != '\0');
if (len != 0) {
buf[len] = '\0';
ctx->print(ctx, buf);
}
xfree(buf);
xfree(in);
return (0);
}