389-ds-base/ldap/servers/slapd/bitset.c

/** BEGIN COPYRIGHT BLOCK
 * This Program is free software; you can redistribute it and/or modify it under
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 * Foundation; version 2 of the License.
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 * right to link the code of this Program with code not covered under the GNU
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 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
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 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif


unsigned char
slapi_setbit_uchar(unsigned char f,unsigned char bitnum)
{
    return (f | ((unsigned char)1 << bitnum));
}

unsigned char
slapi_unsetbit_uchar(unsigned char f,unsigned char bitnum)
{
/* TEMPORARY WORKAROUND FOR x86 compiler problem on solaris
 *   return (f & (~((unsigned char)1 << bitnum)));
 */
      unsigned char t;
    t = f & (~((unsigned char)1 << bitnum));
    return(t);
}

int
slapi_isbitset_uchar(unsigned char f,unsigned char bitnum)
{
    return (f & ((unsigned char)1 << bitnum));
}


unsigned int
slapi_setbit_int(unsigned int f,unsigned int bitnum)
{
    return (f | ((unsigned int)1 << bitnum));
}

unsigned int
slapi_unsetbit_int(unsigned int f,unsigned int bitnum)
{
    return (f & (~((unsigned int)1 << bitnum)));
}

int
slapi_isbitset_int(unsigned int f,unsigned int bitnum)
{
    return (f & ((unsigned int)1 << bitnum));
}