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/* $id$
$Locker: $ $Name: $ $State: Exp $
* Insert/replace/delete an environment variable
*
* If the variable already exists within the environment,
* its case is retained {So one can modify "winbootdir", for
* example}. If the variable shall be added to the environment,
* but is not (in any case-insensitive match) contained within the
* environment, the name is uppercased.
*
* Return: 0 on success
* !0 on failure
This file bases on ENVIRON.C of FreeCOM v0.81 beta 1.
$Log: chgenvc.c,v $
Revision 1.1 2001/04/12 00:33:52 skaus
chg: new structure
chg: If DEBUG enabled, no available commands are displayed on startup
fix: PTCHSIZE also patches min extra size to force to have this amount
of memory available on start
bugfix: CALL doesn't reset options
add: PTCHSIZE to patch heap size
add: VSPAWN, /SWAP switch, .SWP resource handling
bugfix: COMMAND.COM A:\
bugfix: CALL: if swapOnExec == ERROR, no change of swapOnExec allowed
add: command MEMORY
bugfix: runExtension(): destroys command[-2]
add: clean.bat
add: localized CRITER strings
chg: use LNG files for hard-coded strings (hangForEver(), init.c)
via STRINGS.LIB
add: DEL.C, COPY.C, CBREAK.C: STRINGS-based prompts
add: fixstrs.c: prompts & symbolic keys
add: fixstrs.c: backslash escape sequences
add: version IDs to DEFAULT.LNG and validation to FIXSTRS.C
chg: splitted code apart into LIB\*.c and CMD\*.c
bugfix: IF is now using error system & STRINGS to report errors
add: CALL: /N
*/
#include "../config.h"
#include <assert.h>
#include <string.h>
#include <environ.h>
#include <nls_c.h>
#include "../include/context.h"
#include "../include/misc.h"
int chgEnvCase(const int keepCase, char var[], const char value[])
{
assert(var);
if(!keepCase && (env_matchVar(0, var) & 7) != 0)
/* no match --> upcase variable */
StrUpr(var);
return chgEnv(var, value);
}
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