?? lib_str.c
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/*
*********************************************************************************************************
* uC/LIB
* CUSTOM LIBRARY MODULES
*
* (c) Copyright 2004-2011; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
*
* uC/LIB is provided in source form to registered licensees ONLY. It is
* illegal to distribute this source code to any third party unless you receive
* written permission by an authorized Micrium representative. Knowledge of
* the source code may NOT be used to develop a similar product.
*
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*
* You can contact us at www.micrium.com.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* ASCII STRING MANAGEMENT
*
* Filename : lib_str.c
* Version : V1.35.00
* Programmer(s) : ITJ
* BAN
* JDH
*********************************************************************************************************
* Note(s) : (1) NO compiler-supplied standard library functions are used in library or product software.
*
* (a) ALL standard library functions are implemented in the custom library modules :
*
* (1) \<Custom Library Directory>\lib_*.*
*
* (2) \<Custom Library Directory>\Ports\<cpu>\<compiler>\lib*_a.*
*
* where
* <Custom Library Directory> directory path for custom library software
* <cpu> directory name for specific processor (CPU)
* <compiler> directory name for specific compiler
*
* (b) Product-specific library functions are implemented in individual products.
*
*********************************************************************************************************
* Notice(s) : (1) The Institute of Electrical and Electronics Engineers and The Open Group, have given
* us permission to reprint portions of their documentation. Portions of this text are
* reprinted and reproduced in electronic form from the IEEE Std 1003.1, 2004 Edition,
* Standard for Information Technology -- Portable Operating System Interface (POSIX),
* The Open Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute
* of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any
* discrepancy between these versions and the original IEEE and The Open Group Standard,
* the original IEEE and The Open Group Standard is the referee document. The original
* Standard can be obtained online at http://www.opengroup.org/unix/online.html.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* INCLUDE FILES
*********************************************************************************************************
*/
#define LIB_STR_MODULE
#include <lib_str.h>
/*$PAGE*/
/*
*********************************************************************************************************
* LOCAL DEFINES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL CONSTANTS
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL DATA TYPES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL TABLES
*********************************************************************************************************
*/
static const CPU_INT32U Str_MultOvfThTbl_Int32U[] = {
(CPU_INT32U) DEF_INT_32U_MAX_VAL, /* Invalid base 0. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 1u), /* Invalid base 1. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 2u), /* 32-bit mult ovf th for base 2. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 3u), /* 32-bit mult ovf th for base 3. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 4u), /* 32-bit mult ovf th for base 4. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 5u), /* 32-bit mult ovf th for base 5. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 6u), /* 32-bit mult ovf th for base 6. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 7u), /* 32-bit mult ovf th for base 7. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 8u), /* 32-bit mult ovf th for base 8. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 9u), /* 32-bit mult ovf th for base 9. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 10u), /* 32-bit mult ovf th for base 10. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 11u), /* 32-bit mult ovf th for base 11. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 12u), /* 32-bit mult ovf th for base 12. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 13u), /* 32-bit mult ovf th for base 13. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 14u), /* 32-bit mult ovf th for base 14. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 15u), /* 32-bit mult ovf th for base 15. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 16u), /* 32-bit mult ovf th for base 16. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 17u), /* 32-bit mult ovf th for base 17. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 18u), /* 32-bit mult ovf th for base 18. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 19u), /* 32-bit mult ovf th for base 19. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 20u), /* 32-bit mult ovf th for base 20. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 21u), /* 32-bit mult ovf th for base 21. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 22u), /* 32-bit mult ovf th for base 22. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 23u), /* 32-bit mult ovf th for base 23. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 24u), /* 32-bit mult ovf th for base 24. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 25u), /* 32-bit mult ovf th for base 25. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 26u), /* 32-bit mult ovf th for base 26. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 27u), /* 32-bit mult ovf th for base 27. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 28u), /* 32-bit mult ovf th for base 28. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 29u), /* 32-bit mult ovf th for base 29. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 30u), /* 32-bit mult ovf th for base 30. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 31u), /* 32-bit mult ovf th for base 31. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 32u), /* 32-bit mult ovf th for base 32. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 33u), /* 32-bit mult ovf th for base 33. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 34u), /* 32-bit mult ovf th for base 34. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 35u), /* 32-bit mult ovf th for base 35. */
(CPU_INT32U)(DEF_INT_32U_MAX_VAL / 36u) /* 32-bit mult ovf th for base 36. */
};
/*
*********************************************************************************************************
* LOCAL GLOBAL VARIABLES
*********************************************************************************************************
*/
/*$PAGE*/
/*
*********************************************************************************************************
* LOCAL FUNCTION PROTOTYPES
*********************************************************************************************************
*/
static CPU_CHAR *Str_FmtNbr_Int32 ( CPU_INT32U nbr,
CPU_INT08U nbr_dig,
CPU_INT08U nbr_base,
CPU_BOOLEAN nbr_neg,
CPU_CHAR lead_char,
CPU_BOOLEAN lower_case,
CPU_BOOLEAN nul,
CPU_CHAR *pstr);
static CPU_INT32U Str_ParseNbr_Int32(const CPU_CHAR *pstr,
CPU_CHAR **pstr_next,
CPU_INT08U nbr_base,
CPU_BOOLEAN nbr_signed,
CPU_BOOLEAN *pnbr_neg);
/*
*********************************************************************************************************
* LOCAL CONFIGURATION ERRORS
*********************************************************************************************************
*/
/*$PAGE*/
/*
*********************************************************************************************************
* Str_Len()
*
* Description : Calculate length of a string.
*
* Argument(s) : pstr Pointer to string (see Note #1).
*
* Return(s) : Length of string; number of characters in string before terminating NULL character
* (see Note #2b1).
*
* Caller(s) : Application.
*
* Note(s) : (1) String buffer NOT modified.
*
* (2) (a) IEEE Std 1003.1, 2004 Edition, Section 'strlen() : DESCRIPTION' states that :
*
* (1) "The strlen() function shall compute the number of bytes in the string to
* which 's' ('pstr') points," ...
* (2) "not including the terminating null byte."
*
* (b) IEEE Std 1003.1, 2004 Edition, Section 'strlen() : RETURN VALUE' states that :
*
* (1) "The strlen() function shall return the length of 's' ('pstr');" ...
* (2) "no return value shall be reserved to indicate an error."
*
* (3) String length calculation terminates when :
*
* (a) String pointer points to NULL.
* (1) String buffer overlaps with NULL address.
* (2) String length calculated for string up to but NOT beyond or including
* the NULL address.
*
* (b) Terminating NULL character found.
* (1) String length calculated for string up to but NOT including
* the NULL character (see Note #2a2).
*********************************************************************************************************
*/
CPU_SIZE_T Str_Len (const CPU_CHAR *pstr)
{
CPU_SIZE_T len;
len = Str_Len_N(pstr,
DEF_INT_CPU_U_MAX_VAL);
return (len);
}
/*$PAGE*/
/*
*********************************************************************************************************
* Str_Len_N()
*
* Description : Calculate length of a string, up to a maximum number of characters.
*
* Argument(s) : pstr Pointer to string (see Note #1).
*
* len_max Maximum number of characters to search (see Note #3c).
*
* Return(s) : Length of string; number of characters in string before terminating NULL character,
* if terminating NULL character found (see Note #2b1).
*
* Requested maximum number of characters to search,
* if terminating NULL character NOT found (see Note #3c).
*
* Caller(s) : Application.
*
* Note(s) : (1) String buffer NOT modified.
*
* (2) (a) IEEE Std 1003.1, 2004 Edition, Section 'strlen() : DESCRIPTION' states that :
*
* (1) "The strlen() function shall compute the number of bytes in the string to
* which 's' ('pstr') points," ...
* (2) "not including the terminating null byte."
*
* (b) IEEE Std 1003.1, 2004 Edition, Section 'strlen() : RETURN VALUE' states that :
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