| /* |
| * 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> |
| |
| /* ----------------------------------- Trace & Debug */ |
| #include <dspbridge/dbc.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. */ |
| |
| DBC_REQUIRE(uuid_obj && sz_uuid); |
| |
| 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]); |
| |
| DBC_ENSURE(i != -1); |
| } |
| |
| 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; |
| } |
| } |