/* * 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; } }