exectos/xtoskrnl/rtl/guid.c

40 lines
972 B
C

/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/rtl/guid.c
* DESCRIPTION: GUID manipulation routines
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#include <xtos.h>
/**
* Compares two GUIDs (Globally Unique Identifiers).
*
* @param Guid1
* Supplies the first GUID to compare.
*
* @param Guid2
* Supplies the second GUID to compare.
*
* @return This routine returns TRUE if the provided GUIDs are equal, or FALSE otherwise.
*
* @since XT 1.0
*/
XTAPI
BOOLEAN
RtlCompareGuids(IN PGUID Guid1,
IN PGUID Guid2)
{
PUINT Guid1Ptr, Guid2Ptr;
/* Cast GUIDs to UINT to compare 32-bits at a time */
Guid1Ptr = (PUINT)Guid1;
Guid2Ptr = (PUINT)Guid2;
/* Compare GUIDs */
return(Guid1Ptr[0] == Guid2Ptr[0] && Guid1Ptr[1] == Guid2Ptr[1] &&
Guid1Ptr[2] == Guid2Ptr[2] && Guid1Ptr[3] == Guid2Ptr[3]);
}