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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* $Id$ */
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/*
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* Copyright (c) 2010 Dagobert Michelsen
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* Copyright (c) 2010 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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int
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setenv(const char *name, const char *value, unused int overwrite)
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{
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char *newval;
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xasprintf(&newval, "%s=%s", name, value);
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return (putenv(newval));
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}
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int
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unsetenv(const char *name)
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{
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char **envptr;
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int namelen;
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namelen = strlen(name);
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for (envptr = environ; *envptr != NULL; envptr++) {
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if (strncmp(name, *envptr, namelen) == 0 &&
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((*envptr)[namelen] == '=' || (*envptr)[namelen] == '\0'))
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break;
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}
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for (; *envptr != NULL; envptr++)
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*envptr = *(envptr + 1);
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return (0);
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}
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