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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
tenv.c
Abstract:
Test program for the NT OS Runtime Library (RTL) Environment API Calls
Author:
Steve Wood (stevewo) 30-Jan-1991
Revision History:
--*/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <stdio.h>
VOID
DumpEnvironment( PVOID env )
{
PWCHAR s = env;
while (*s) {
printf( "%79.79ws\n", s );
while (*s++) {
}
}
}
VOID
SetEnvironment(
PVOID *env,
PCHAR Name,
PCHAR Value
);
VOID
SetEnvironment(
PVOID *env,
PCHAR Name,
PCHAR Value
)
{
NTSTATUS Status;
STRING NameString, ValueString;
UNICODE_STRING uNameString, uValueString;
RtlInitString( &NameString, Name );
Status = RtlAnsiStringToUnicodeString(&uNameString, &NameString, TRUE);
if (!NT_SUCCESS( Status )) {
printf( " - failed converting to Unicode, Status == %X\n", Status );
DumpEnvironment(*env);
printf( "\n" );
return;
}
if (Value != NULL) {
RtlInitString( &ValueString, Value );
Status = RtlAnsiStringToUnicodeString(&uValueString, &ValueString, TRUE);
printf( "TENV: set variable (%X) %Z=%Z\n", *env, &NameString, &ValueString );
Status = RtlSetEnvironmentVariable( env, &uNameString, &uValueString );
printf( "TENV: (%X)", *env);
RtlFreeUnicodeString(&uNameString);
RtlFreeUnicodeString(&uValueString);
}
else {
printf( "TENV: delete variable (%X) %Z\n", *env, &NameString );
Status = RtlSetEnvironmentVariable( env, &uNameString, NULL );
printf( "TENV: (%X)", *env, &NameString, &ValueString );
RtlFreeUnicodeString(&uNameString);
}
if (NT_SUCCESS( Status )) {
printf( "\n" );
}
else {
printf( " - failed, Status == %X\n", Status );
}
DumpEnvironment(*env);
printf( "\n" );
}
int
_cdecl
main(
int argc,
char **argv,
char **envp
)
{
int i;
PVOID env;
PVOID nenv;
NTSTATUS Status;
char bigbuf[4100];
for (i=0; i<argc; i++) {
printf( "argv[ %d ] = %s\n", i, argv[ i ] );
}
i = 0;
while (envp[ i ]) {
printf( "envp[ %d ] = %s\n", i, envp[ i ] );
i++;
}
for (i=0 ; i<4099 ; i++)
bigbuf[i] = (i%26) + (((i&1) == 0) ? 'a' : 'A');
bigbuf[4099] = '\0';
env = NtCurrentPeb()->ProcessParameters->Environment;
Status = RtlCreateEnvironment(TRUE, &nenv); // clone current
if (!NT_SUCCESS( Status )) {
printf( "Unable to create clone environment - %X\n", Status );
return 1;
}
// First, check with process environment
DumpEnvironment( &env);
SetEnvironment( &env, "aaaa", "12345" );
SetEnvironment( &env, "aaaa", "1234567890" );
SetEnvironment( &env, "aaaa", "1" );
SetEnvironment( &env, "aaaa", "" );
SetEnvironment( &env, "aaaa", NULL );
SetEnvironment( &env, "AAAA", "12345" );
SetEnvironment( &env, "AAAA", "1234567890" );
SetEnvironment( &env, "AAAA", "1" );
SetEnvironment( &env, "AAAA", "" );
SetEnvironment( &env, "AAAA", NULL );
SetEnvironment( &env, "MMMM", "12345" );
SetEnvironment( &env, "MMMM", "1234567890" );
SetEnvironment( &env, "MMMM", "1" );
SetEnvironment( &env, "MMMM", "" );
SetEnvironment( &env, "MMMM", NULL );
SetEnvironment( &env, "ZZZZ", "12345" );
SetEnvironment( &env, "ZZZZ", "1234567890" );
SetEnvironment( &env, "ZZZZ", "1" );
SetEnvironment( &env, "ZZZZ", "" );
SetEnvironment( &env, "ZZZZ", NULL );
SetEnvironment( &env, "BIGBUF", bigbuf );
SetEnvironment( &env, "BIGBUF", NULL );
// Second, check with non-process environment
DumpEnvironment(nenv);
SetEnvironment( &nenv, "aaaa", "12345" );
SetEnvironment( &nenv, "aaaa", "1234567890" );
SetEnvironment( &nenv, "aaaa", "1" );
SetEnvironment( &nenv, "aaaa", "" );
SetEnvironment( &nenv, "aaaa", NULL );
SetEnvironment( &nenv, "AAAA", "12345" );
SetEnvironment( &nenv, "AAAA", "1234567890" );
SetEnvironment( &nenv, "AAAA", "1" );
SetEnvironment( &nenv, "AAAA", "" );
SetEnvironment( &nenv, "AAAA", NULL );
SetEnvironment( &nenv, "MMMM", "12345" );
SetEnvironment( &nenv, "MMMM", "1234567890" );
SetEnvironment( &nenv, "MMMM", "1" );
SetEnvironment( &nenv, "MMMM", "" );
SetEnvironment( &nenv, "MMMM", NULL );
SetEnvironment( &nenv, "ZZZZ", "12345" );
SetEnvironment( &nenv, "ZZZZ", "1234567890" );
SetEnvironment( &nenv, "ZZZZ", "1" );
SetEnvironment( &nenv, "ZZZZ", "" );
SetEnvironment( &nenv, "ZZZZ", NULL );
SetEnvironment( &nenv, "BIGBUF", bigbuf );
SetEnvironment( &nenv, "BIGBUF", NULL );
return( 0 );
}
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