| 1 | /* $Id: kHlpCRTEnv.cpp 3607 2007-10-29 00:48:50Z bird $ */
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| 2 | /** @file
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| 3 | * kHlpEnv - Environment Manipulation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2006-2007 knut st. osmundsen <bird-kStuff-spam@anduin.net>
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| 8 | *
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| 9 | * This file is part of kStuff.
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| 10 | *
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| 11 | * kStuff is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU Lesser General Public
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| 13 | * License as published by the Free Software Foundation; either
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| 14 | * version 2.1 of the License, or (at your option) any later version.
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| 15 | *
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| 16 | * In addition to the permissions in the GNU Lesser General Public
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| 17 | * License, you are granted unlimited permission to link the compiled
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| 18 | * version of this file into combinations with other programs, and to
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| 19 | * distribute those combinations without any restriction coming from
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| 20 | * the use of this file.
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| 21 | *
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| 22 | * kStuff is distributed in the hope that it will be useful,
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| 23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 25 | * Lesser General Public License for more details.
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| 26 | *
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| 27 | * You should have received a copy of the GNU Lesser General Public
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| 28 | * License along with kStuff; if not, write to the Free Software
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| 29 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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| 30 | * 02110-1301, USA
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| 31 | */
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| 32 |
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| 33 | /*******************************************************************************
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| 34 | * Header Files *
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| 35 | *******************************************************************************/
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| 36 | #include <k/kHlpEnv.h>
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| 37 | #include <k/kHlpString.h>
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| 38 | #include <k/kErrors.h>
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| 39 | #include <stdlib.h>
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| 40 |
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| 41 |
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| 42 | KHLP_DECL(int) kHlpGetEnv(const char *pszVar, char *pszVal, KSIZE cchVal)
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| 43 | {
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| 44 | int rc = 0;
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| 45 | const char *pszValue = getenv(pszVar);
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| 46 | if (pszValue)
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| 47 | {
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| 48 | KSIZE cch = kHlpStrLen((const char *)pszValue);
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| 49 | if (cchVal > cch)
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| 50 | kHlpMemCopy(pszVal, pszValue, cch + 1);
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| 51 | else
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| 52 | rc = KERR_BUFFER_OVERFLOW;
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| 53 | }
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| 54 | else
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| 55 | rc = KERR_ENVVAR_NOT_FOUND;
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| 56 | return rc;
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| 57 | }
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| 58 |
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