41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
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* See /doc/license/gpl-2.0.txt for details about the licensing.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <envvars.h>
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#include <draw.h>
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/* Connect us to new window, if possible */
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int
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newwindow(char *str)
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{
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int fd;
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char *wsys;
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char buf[256];
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wsys = getenv(ENV_WSYS);
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if(wsys == nil)
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return -1;
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fd = sys_open(wsys, ORDWR);
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free(wsys);
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if(fd < 0)
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return -1;
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sys_rfork(RFNAMEG);
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if(str)
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snprint(buf, sizeof buf, "new %s", str);
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else
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strcpy(buf, "new");
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return sys_mount(fd, -1, "/dev", MBEFORE, buf, '9');
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}
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