mirror of https://code.videolan.org/videolan/vlc
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*****************************************************************************
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* setenv.c: POSIX setenv() & unsetenv() replacement
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*****************************************************************************
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* Copyright © 2011 Rémi Denis-Courmont
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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int setenv (const char *name, const char *value, int override)
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{
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#ifdef HAVE_GETENV
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if (override == 0 && getenv (name) != NULL)
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return 0;
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size_t namelen = strlen (name);
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size_t valuelen = strlen (value);
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char *var = malloc (namelen + valuelen + 2);
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if (var == NULL)
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return -1;
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sprintf (var, "%s=%s", name, value);
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/* This leaks memory. This is unavoidable. */
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return putenv (var);
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#else
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return -1;
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#endif
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}
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int unsetenv (const char *name)
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{
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return setenv (name, "", 1);
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}
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