C++ (Cpp) RdosFindEnvVar示例

示例#1

文件： rdoslkup.c 项目： ABratovic/open-watcom-v2

unsigned EnvLkup( const char *name, char *buff, unsigned buff_len )
{
    int handle;
    int size;

    handle = RdosOpenProcessEnv();
    size = RdosFindEnvVar( handle, name, buff );
    RdosCloseEnv( handle );

    return( size );     
}

示例#2

int EnvLkup( char *src, char *dst, int max_len )
{
    int handle;
    int size;

    handle = RdosOpenProcessEnv();
    size = RdosFindEnvVar( handle, src, dst );
    RdosCloseEnv( handle );

    return( size );     
}

示例#3

文件： accenv.c 项目： ABratovic/open-watcom-v2

trap_retval ReqEnv_getvar( void )
{
    env_get_var_req *req;
    env_get_var_ret *ret;
    char            *var;
    char            *value;
    int             handle;

    req = GetInPtr( 0 );
    var = GetInPtr( sizeof( *req ) );
    ret = GetOutPtr( 0 );
    value = GetOutPtr( sizeof( *ret ) );
    ret->err = 0;

    handle = RdosOpenProcessEnv();
    RdosDeleteEnvVar( handle, var );

    if( !RdosFindEnvVar( handle, var, value ) ) {
        ret->err = MSG_NOT_FOUND;
        return( sizeof( *ret ) );
    }
    
    return( sizeof( *ret ) + strlen( value ) + 1 );
}