33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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#include <lib/compat.h>
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int
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setenv(const char *var, const char *val, int overwrite) {
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char *buf = alloca(strlen(var) + strlen(val) + 2);
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if (overwrite || !getenv(var)) {
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sprintf(buf, "%s=%s", var, val);
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return putenv(buf);
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}
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return(0);
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}
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