/*
* Copyright 2001-2008 Texas Instruments - http://www.ti.com/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* ======== csl.h ========
* DSP-BIOS Bridge driver support functions for TI OMAP processors.
* Purpose:
* Platform independent C Standard library functions.
*
* Public Functions:
* CSL_AnsiToWchar
* CSL_Atoi
* CSL_ByteSwap
* CSL_Exit
* CSL_Init
* CSL_NumToAscii
* CSL_Strcmp
* CSL_Strcpyn
* CSL_Strlen
* CSL_Strncat
* CSL_Strncmp
* CSL_Strtok
* CSL_Strtokr
* CSL_WcharToAnsi
* CSL_Wstrlen
*
*! Revision History:
*! ================
*! 07-Aug-2002 jeh: Added CSL_Strtokr().
*! 21-Sep-2001 jeh: Added CSL_Strncmp.
*! 22-Nov-2000 map: Added CSL_Atoi and CSL_Strtok
*! 19-Nov-2000 kc: Added CSL_ByteSwap().
*! 09-Nov-2000 kc: Added CSL_Strncat.
*! 29-Oct-1999 kc: Added CSL_Wstrlen().
*! 20-Sep-1999 ag: Added CSL_Wchar2Ansi().
*! 19-Jan-1998 cr: Code review cleanup (mostly documentation fixes).
*! 29-Dec-1997 cr: Changed CSL_lowercase to CSL_Uppercase, added
*! CSL_AnsiToWchar.
*! 30-Sep-1997 cr: Added explicit cdecl descriptors to fxn definitions.
*! 25-Jun-1997 cr: Added CSL_strcmp.
*! 12-Jun-1996 gp: Created.
*/
#ifndef CSL_
#define CSL_
#ifdef __cplusplus
extern "C" {
#endif
#include <dspapi.h>
#ifdef UNICODE
/*
* ======== CSL_AnsiToWchar ========
* Purpose:
* Convert an ansi string to a wide char string.
* Parameters:
* wpstrDest: wide char buffer pointer.
* pstrSource: ansi string buffer pointer.
* uSize: size of wpstrDest buffer.
* Returns:
* Number of characters copied into wpstrDest, excluding the NULL char.
* Requires:
* CSL initialized.
* Ensures:
* Details:
* uSize is the number of CHARACTERS in wpstrDest, NOT the number of BYTES
* in wpstrDest. with a WCHAR, the number of characters is bytes/2.
*/
extern ULONG CSL_AnsiToWchar(OUT WCHAR * pwszDest,
IN PSTR pstrSource, ULONG uSize);
#endif
/*
* ======== CSL_Atoi ========
* Purpose:
* Convert a 1 or 2 digit string number into an integer
* Parameters:
* ptstrSrc: pointer to string.
* Returns:
* Integer
* Requires:
* CSL initialized.
* ptstrSrc is a valid string pointer.
* Ensures:
*/
extern INT CSL_Atoi(IN CONST CHAR * ptstrSrc);
/*
* ======== CSL_ByteSwap ========
* Purpose:
* Convert an ansi string to a wide char string.
* Parameters:
* pstrSrc: Data to be copied and swapped.
* pstrDest: Output buffer for swapped data.
* ulBytes: Number of bytes to be swapped (should be even).
* Returns:
* Requires:
* CSL initialized.
* Ensures:
* Details:
*/
extern VOID CSL_ByteSwap(IN PSTR pstrSrc,
OUT PSTR pstrDest, IN ULONG ulBytes);
/*
* ======== CSL_Exit ========
* Purpose:
* Discontinue usage of the CSL module.
* Parameters:
* Returns:
* Requires:
* CSL initialized.
* Ensures:
* Resources acquired in CSL_Init() are freed.
*/
extern VOID CSL_Exit();
/*
* ======== CSL_Init ========
* Purpose:
* Initialize the CSL module's private state.
* Parameters:
* Returns:
* TRUE if initialized; FALSE if error occured.
* Requires:
* Ensures:
* A requirement for each of the other public CSL functions.
*/
extern bool CSL_Init();
/*
* ======== CSL_NumToAscii ========
* Purpose:
* Convert a 1 or 2 digit number to a 2 digit string.
* Parameters:
* pstrNumber: Buffer to store converted string.
* dwNum: Number to convert.
* Returns:
* Requires:
* pstrNumber must be able to hold at least three characters.
* Ensures:
* pstrNumber will be null terminated.
*/
extern VOID CSL_NumToAscii(OUT PSTR pstrNumber, IN DWORD dwNum);
/*
* ======== CSL_Strcmp ========
* Purpose:
* Compare 2 ASCII strings. Works the same way as stdio's strcmp.
* Parameters:
* pstrStr1: String 1.
* pstrStr2: String 2.
* Returns:
* A signed value that gives the results of the comparison:
* Zero: String1 equals String2.
* < Zero: String1 is less than String2.
* > Zero: String1 is greater than String2.
* Requires:
* CSL initialized.
* pstrStr1 is valid.
* pstrStr2 is valid.
* Ensures:
*/
extern LONG CSL_Strcmp(IN CONST PSTR pstrStr1, IN CONST PSTR pstrStr2);
/*
* ======== CSL_Strcpyn ========
* Purpose:
* Safe strcpy function.
* Parameters:
* pstrDest: Ptr to destination buffer.
* pstrSrc: Ptr to source buffer.
* cMax: Size of destination buffer.
* Returns:
* Ptr to destination buffer; or NULL if error.
* Requires:
* CSL initialized.
* pstrDest is valid.
* pstrSrc is valid.
* Ensures:
* Will not copy more than cMax bytes from pstrSrc into pstrDest.
* pstrDest will be terminated by a NULL character.
*/
extern PSTR CSL_Strcpyn(OUT PSTR pstrDest, IN CONST PSTR pstrSrc,
IN DWORD cMax);
/*
* ======== CSL_Strstr ========
* Purpose:
* Find substring in a stringn.
* Parameters:
* haystack: Ptr to string1.
* needle: Ptr to substring to catch.
* Returns:
* Ptr to first char matching the substring in the main string.
* Requires:
* CSL initialized.
* haystack is valid.
* needle is valid.
* Ensures:
*/
extern PSTR CSL_Strstr(IN CONST PSTR haystack, IN CONST PSTR needle);
/*
* ======== CSL_Strlen ========
* Purpose:
* Determine the length of a null terminated ASCI string.
* Parameters:
* pstrSrc: pointer to string.
* Returns:
* String length in bytes.
* Requires:
* CSL initialized.
* pstrSrc is a valid string pointer.
* Ensures:
*/
extern DWORD CSL_Strlen(IN CONST PSTR pstrSrc);
/*
* ======== CSL_Strncat ========
* Purpose:
* Concatenate two strings together.
* Parameters:
* pszDest: Destination string.
* pszSrc: Source string.
* dwSize: Number of characters to copy.
* Returns:
* Pointer to destination string.
* Requires:
* CSL initialized.
* pszDest and pszSrc are valid pointers.
* Ensures:
*/
extern PSTR CSL_Strncat(IN PSTR pszDest,
IN PSTR pszSrc, IN DWORD dwSize);
/*
* ======== CSL_Strncmp ========
* Purpose:
* Compare at most n characters of two ASCII strings. Works the same
* way as stdio's strncmp.
* Parameters:
* pstrStr1: String 1.
* pstrStr2: String 2.
* n: Number of characters to compare.
* Returns:
* A signed value that gives the results of the comparison:
* Zero: String1 equals String2.
* < Zero: String1 is less than String2.
* > Zero: String1 is greater than String2.
* Requires:
* CSL initialized.
* pstrStr1 is valid.
* pstrStr2 is valid.
* Ensures:
*/
extern LONG CSL_Strncmp(IN CONST PSTR pstrStr1,
IN CONST PSTR pstrStr2, IN DWORD n);
/*
* ======== CSL_Strtok ========
* Purpose:
* Tokenize a NULL terminated string
* Parameters:
* ptstrSrc: pointer to string.
* szSeparators: pointer to a string of seperators
* Returns:
* String
* Requires:
* CSL initialized.
* ptstrSrc is a valid string pointer.
* szSeparators is a valid string pointer.
* Ensures:
*/
extern CHAR *CSL_Strtok(IN CHAR * ptstrSrc,
IN CONST CHAR * szSeparators);
/*
* ======== CSL_Strtokr ========
* Purpose:
* Re-entrant version of strtok.
* Parameters:
* pstrSrc: Pointer to string. May be NULL on subsequent calls.
* szSeparators: Pointer to a string of seperators
* ppstrCur: Location to store start of string for next call to
* to CSL_Strtokr.
* Returns:
* String (the token)
* Requires:
* CSL initialized.
* szSeparators != NULL
* ppstrCur != NULL
* Ensures:
*/
extern CHAR *CSL_Strtokr(IN CHAR * pstrSrc,
IN CONST CHAR * szSeparators,
OUT CHAR ** ppstrCur);
#ifdef UNICODE
/*
* ======== CSL_WcharToAnsi ========
* Purpose:
* Convert a wide char string to an ansi string.
* Parameters:
* pstrDest: ansi string buffer pointer.
* pwszSource: wide char buffer pointer.
* uSize: number of chars to convert.
* Returns:
* Number of characters copied into pstrDest.
* Requires:
* CSL initialized.
* Ensures:
* Details:
* lNumOfChars is the number of CHARACTERS in wpstrDest, NOT the number of
* BYTES
*/
extern ULONG CSL_WcharToAnsi(OUT PSTR pstrDest,
IN WCHAR * pwszSource, IN ULONG uSize);
/*
* ======== CSL_Wstrlen ========
* Purpose:
* Determine the length of a null terminated UNICODE string.
* Parameters:
* ptstrSrc: pointer to string.
* Returns:
* String length in bytes.
* Requires:
* CSL initialized.
* ptstrSrc is a valid string pointer.
* Ensures:
*/
extern DWORD CSL_Wstrlen(IN CONST TCHAR * ptstrSrc);
#endif
#ifdef __cplusplus
}
#endif
#endif /* CSL_ */