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91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: variable.c,v 1.5.2.2 1995/06/01 21:04:03 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jordan Hubbard
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* for the FreeBSD Project.
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* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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/* Routines for dealing with variable lists */
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static void
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make_variable(char *var, char *value)
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{
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Variable *newvar;
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/* First search to see if it's already there */
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for (newvar = VarHead; newvar; newvar = newvar->next) {
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if (!strcmp(newvar->name, var)) {
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strncpy(newvar->value, value, VAR_VALUE_MAX);
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setenv(var, value, 1);
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return;
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}
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}
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setenv(var, value, 1);
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newvar = (Variable *)safe_malloc(sizeof(Variable));
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strncpy(newvar->name, var, VAR_NAME_MAX);
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strncpy(newvar->value, value, VAR_VALUE_MAX);
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newvar->next = VarHead;
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VarHead = newvar;
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setenv(newvar->name, newvar->value, 1);
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if (isDebug())
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msgDebug("Setting variable %s to %s\n", newvar->name, newvar->value);
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}
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void
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variable_set(char *var)
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{
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char tmp[VAR_NAME_MAX + VAR_VALUE_MAX], *cp;
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strncpy(tmp, var, VAR_NAME_MAX + VAR_VALUE_MAX);
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if ((cp = index(tmp, '=')) == NULL)
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msgFatal("Invalid variable format: %s", var);
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*(cp++) = '\0';
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make_variable(tmp, cp);
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}
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void
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variable_set2(char *var, char *value)
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{
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if (!var || !value)
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msgFatal("Null name or value passed to set_variable2!");
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make_variable(var, value);
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}
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