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/*
* uuidutil.c
*
* DSP-BIOS Bridge driver support functions for TI OMAP processors.
*
* This file contains the implementation of UUID helper functions.
*
* Copyright (C) 2005-2006 Texas Instruments, Inc.
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <linux/types.h>
/* ----------------------------------- Host OS */
#include <dspbridge/host_os.h>
/* ----------------------------------- DSP/BIOS Bridge */
#include <dspbridge/dbdefs.h>
/* ----------------------------------- This */
#include <dspbridge/uuidutil.h>
/*
* ======== uuid_uuid_to_string ========
* Purpose:
* Converts a struct dsp_uuid to a string.
* Note: snprintf format specifier is:
* %[flags] [width] [.precision] [{h | l | I64 | L}]type
*/
void uuid_uuid_to_string(struct dsp_uuid *uuid_obj, char *sz_uuid,
s32 size)
{
s32 i; /* return result from snprintf. */
i = snprintf(sz_uuid, size,
"%.8X_%.4X_%.4X_%.2X%.2X_%.2X%.2X%.2X%.2X%.2X%.2X",
uuid_obj->data1, uuid_obj->data2, uuid_obj->data3,
uuid_obj->data4, uuid_obj->data5,
uuid_obj->data6[0], uuid_obj->data6[1],
uuid_obj->data6[2], uuid_obj->data6[3],
uuid_obj->data6[4], uuid_obj->data6[5]);
}
static s32 uuid_hex_to_bin(char *buf, s32 len)
{
s32 i;
s32 result = 0;
int value;
for (i = 0; i < len; i++) {
value = hex_to_bin(*buf++);
result *= 16;
if (value > 0)
result += value;
}
return result;
}
/*
* ======== uuid_uuid_from_string ========
* Purpose:
* Converts a string to a struct dsp_uuid.
*/
void uuid_uuid_from_string(char *sz_uuid, struct dsp_uuid *uuid_obj)
{
s32 j;
uuid_obj->data1 = uuid_hex_to_bin(sz_uuid, 8);
sz_uuid += 8;
/* Step over underscore */
sz_uuid++;
uuid_obj->data2 = (u16) uuid_hex_to_bin(sz_uuid, 4);
sz_uuid += 4;
/* Step over underscore */
sz_uuid++;
uuid_obj->data3 = (u16) uuid_hex_to_bin(sz_uuid, 4);
sz_uuid += 4;
/* Step over underscore */
sz_uuid++;
uuid_obj->data4 = (u8) uuid_hex_to_bin(sz_uuid, 2);
sz_uuid += 2;
uuid_obj->data5 = (u8) uuid_hex_to_bin(sz_uuid, 2);
sz_uuid += 2;
/* Step over underscore */
sz_uuid++;
for (j = 0; j < 6; j++) {
uuid_obj->data6[j] = (u8) uuid_hex_to_bin(sz_uuid, 2);
sz_uuid += 2;
}
}
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