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OpenRTX/rtos/uC-LIB/lib_str.h

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20 KiB
C
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/*
*********************************************************************************************************
* uC/LIB
* Custom Library Modules
*
* Copyright 2004-2020 Silicon Laboratories Inc. www.silabs.com
*
* SPDX-License-Identifier: APACHE-2.0
*
* This software is subject to an open source license and is distributed by
* Silicon Laboratories Inc. pursuant to the terms of the Apache License,
* Version 2.0 available at www.apache.org/licenses/LICENSE-2.0.
*
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* ASCII STRING MANAGEMENT
*
* Filename : lib_str.h
* Version : V1.39.00
*********************************************************************************************************
* 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.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* MODULE
*
* Note(s) : (1) This string library header file is protected from multiple pre-processor inclusion through
* use of the string library module present pre-processor macro definition.
*********************************************************************************************************
*/
#ifndef LIB_STR_MODULE_PRESENT /* See Note #1. */
#define LIB_STR_MODULE_PRESENT
/*
*********************************************************************************************************
* ASCII STRING CONFIGURATION DEFINES
*
* Note(s) : (1) Some ASCII string configuration #define's MUST be available PRIOR to including any
* application configuration (see 'INCLUDE FILES Note #1a').
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* STRING FLOATING POINT DEFINES
*
* Note(s) : (1) (a) (1) The maximum accuracy for 32-bit floating-point numbers :
*
*
* Maximum Accuracy log [Internal-Base ^ (Number-Internal-Base-Digits)]
* 32-bit Floating-point Number = -----------------------------------------------------
* log [External-Base]
*
* log [2 ^ 24]
* = --------------
* log [10]
*
* < 7.225 Base-10 Digits
*
* where
* Internal-Base Internal number base of floating-
* point numbers (i.e. 2)
* External-Base External number base of floating-
* point numbers (i.e. 10)
* Number-Internal-Base-Digits Number of internal number base
* significant digits (i.e. 24)
*
* (2) Also, since some 32-bit floating-point calculations are converted to 32-bit
* unsigned numbers, the maximum accuracy is limited to the maximum accuracy
* for 32-bit unsigned numbers of 9 digits.
*
* (b) Some CPUs' &/or compilers' floating-point implementations MAY further reduce the
* maximum accuracy.
*********************************************************************************************************
*/
#define LIB_STR_FP_MAX_NBR_DIG_SIG_MIN 1u
#define LIB_STR_FP_MAX_NBR_DIG_SIG_MAX 9u /* See Note #1a2. */
#define LIB_STR_FP_MAX_NBR_DIG_SIG_DFLT 7u /* See Note #1a1. */
/*
*********************************************************************************************************
* INCLUDE FILES
*
* Note(s) : (1) The custom library software files are located in the following directories :
*
* (a) \<Your Product Application>\lib_cfg.h
*
* (b) \<Custom Library Directory>\lib_*.*
*
* where
* <Your Product Application> directory path for Your Product's Application
* <Custom Library Directory> directory path for custom library software
*
* (2) CPU-configuration software files are located in the following directories :
*
* (a) \<CPU-Compiler Directory>\cpu_*.*
* (b) \<CPU-Compiler Directory>\<cpu>\<compiler>\cpu*.*
*
* where
* <CPU-Compiler Directory> directory path for common CPU-compiler software
* <cpu> directory name for specific processor (CPU)
* <compiler> directory name for specific compiler
*
* (3) Compiler MUST be configured to include as additional include path directories :
*
* (a) '\<Your Product Application>\' directory See Note #1a
*
* (b) '\<Custom Library Directory>\' directory See Note #1b
*
* (c) (1) '\<CPU-Compiler Directory>\' directory See Note #2a
* (2) '\<CPU-Compiler Directory>\<cpu>\<compiler>\' directory See Note #2b
*
* (4) NO compiler-supplied standard library functions SHOULD be used.
*
* #### The reference to standard library header files SHOULD be removed once all custom
* library functions are implemented WITHOUT reference to ANY standard library function(s).
*
* See also 'STANDARD LIBRARY MACRO'S Note #1'.
*********************************************************************************************************
*/
#include <cpu.h>
#include <lib_def.h>
#include <lib_ascii.h>
#include <lib_cfg.h>
#if 0 /* See Note #4. */
#include <stdio.h>
#endif
/*
*********************************************************************************************************
* EXTERNS
*********************************************************************************************************
*/
#ifdef LIB_STR_MODULE
#define LIB_STR_EXT
#else
#define LIB_STR_EXT extern
#endif
/*
*********************************************************************************************************
* DEFAULT CONFIGURATION
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* STRING FLOATING POINT CONFIGURATION
*
* Note(s) : (1) Configure LIB_STR_CFG_FP_EN to enable/disable floating point string function(s).
*
* (2) Configure LIB_STR_CFG_FP_MAX_NBR_DIG_SIG to configure the maximum number of significant
* digits to calculate &/or display for floating point string function(s).
*
* See also 'STRING FLOATING POINT DEFINES Note #1'.
*********************************************************************************************************
*/
/* Configure floating point feature(s) [see Note #1] : */
#ifndef LIB_STR_CFG_FP_EN
#define LIB_STR_CFG_FP_EN DEF_DISABLED
/* DEF_DISABLED Floating point functions DISABLED */
/* DEF_ENABLED Floating point functions ENABLED */
#endif
/* Configure floating point feature(s)' number of ... */
/* ... significant digits (see Note #2). */
#ifndef LIB_STR_CFG_FP_MAX_NBR_DIG_SIG
#define LIB_STR_CFG_FP_MAX_NBR_DIG_SIG LIB_STR_FP_MAX_NBR_DIG_SIG_DFLT
#endif
/*
*********************************************************************************************************
* DEFINES
*********************************************************************************************************
*/
#define STR_CR_LF "\r\n"
#define STR_LF_CR "\n\r"
#define STR_NEW_LINE STR_CR_LF
#define STR_PARENT_PATH ".."
#define STR_CR_LF_LEN (sizeof(STR_CR_LF) - 1)
#define STR_LF_CR_LEN (sizeof(STR_LF_CR) - 1)
#define STR_NEW_LINE_LEN (sizeof(STR_NEW_LINE) - 1)
#define STR_PARENT_PATH_LEN (sizeof(STR_PARENT_PATH) - 1)
/*
*********************************************************************************************************
* DATA TYPES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* GLOBAL VARIABLES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* MACRO'S
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* STANDARD LIBRARY MACRO'S
*
* Note(s) : (1) NO compiler-supplied standard library functions SHOULD be used.
*
* #### The reference to standard memory functions SHOULD be removed once all custom library
* functions are implemented WITHOUT reference to ANY standard library function(s).
*
* See also 'INCLUDE FILES Note #3'.
*********************************************************************************************************
*/
/* See Note #1. */
#define Str_FmtPrint snprintf
#define Str_FmtScan sscanf
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
*********************************************************************************************************
*/
/* ------------------ STR LEN FNCTS ------------------ */
CPU_SIZE_T Str_Len (const CPU_CHAR *pstr);
CPU_SIZE_T Str_Len_N (const CPU_CHAR *pstr,
CPU_SIZE_T len_max);
/* ------------------ STR COPY FNCTS ------------------ */
CPU_CHAR *Str_Copy ( CPU_CHAR *pstr_dest,
const CPU_CHAR *pstr_src);
CPU_CHAR *Str_Copy_N ( CPU_CHAR *pstr_dest,
const CPU_CHAR *pstr_src,
CPU_SIZE_T len_max);
CPU_CHAR *Str_Cat ( CPU_CHAR *pstr_dest,
const CPU_CHAR *pstr_cat);
CPU_CHAR *Str_Cat_N ( CPU_CHAR *pstr_dest,
const CPU_CHAR *pstr_cat,
CPU_SIZE_T len_max);
/* ------------------ STR CMP FNCTS ------------------ */
CPU_INT16S Str_Cmp (const CPU_CHAR *p1_str,
const CPU_CHAR *p2_str);
CPU_INT16S Str_Cmp_N (const CPU_CHAR *p1_str,
const CPU_CHAR *p2_str,
CPU_SIZE_T len_max);
CPU_INT16S Str_CmpIgnoreCase (const CPU_CHAR *p1_str,
const CPU_CHAR *p2_str);
CPU_INT16S Str_CmpIgnoreCase_N(const CPU_CHAR *p1_str,
const CPU_CHAR *p2_str,
CPU_SIZE_T len_max);
/* ------------------ STR SRCH FNCTS ------------------ */
CPU_CHAR *Str_Char (const CPU_CHAR *pstr,
CPU_CHAR srch_char);
CPU_CHAR *Str_Char_N (const CPU_CHAR *pstr,
CPU_SIZE_T len_max,
CPU_CHAR srch_char);
CPU_CHAR *Str_Char_Last (const CPU_CHAR *pstr,
CPU_CHAR srch_char);
CPU_CHAR *Str_Char_Last_N (const CPU_CHAR *pstr,
CPU_SIZE_T len_max,
CPU_CHAR srch_char);
CPU_CHAR *Str_Char_Replace ( CPU_CHAR *pstr,
CPU_CHAR char_srch,
CPU_CHAR char_replace);
CPU_CHAR *Str_Char_Replace_N ( CPU_CHAR *pstr,
CPU_CHAR char_srch,
CPU_CHAR char_replace,
CPU_SIZE_T len_max);
CPU_CHAR *Str_Str (const CPU_CHAR *pstr,
const CPU_CHAR *pstr_srch);
CPU_CHAR *Str_Str_N (const CPU_CHAR *pstr,
const CPU_CHAR *pstr_srch,
CPU_SIZE_T len_max);
/* ------------------ STR FMT FNCTS ------------------ */
CPU_CHAR *Str_FmtNbr_Int32U ( CPU_INT32U nbr,
CPU_INT08U nbr_dig,
CPU_INT08U nbr_base,
CPU_CHAR lead_char,
CPU_BOOLEAN lower_case,
CPU_BOOLEAN nul,
CPU_CHAR *pstr);
CPU_CHAR *Str_FmtNbr_Int32S ( CPU_INT32S nbr,
CPU_INT08U nbr_dig,
CPU_INT08U nbr_base,
CPU_CHAR lead_char,
CPU_BOOLEAN lower_case,
CPU_BOOLEAN nul,
CPU_CHAR *pstr);
#if (LIB_STR_CFG_FP_EN == DEF_ENABLED)
CPU_CHAR *Str_FmtNbr_32 ( CPU_FP32 nbr,
CPU_INT08U nbr_dig,
CPU_INT08U nbr_dp,
CPU_CHAR lead_char,
CPU_BOOLEAN nul,
CPU_CHAR *pstr);
#endif
/* ----------------- STR PARSE FNCTS ------------------ */
CPU_INT32U Str_ParseNbr_Int32U(const CPU_CHAR *pstr,
CPU_CHAR **pstr_next,
CPU_INT08U nbr_base);
CPU_INT32S Str_ParseNbr_Int32S(const CPU_CHAR *pstr,
CPU_CHAR **pstr_next,
CPU_INT08U nbr_base);
/*
*********************************************************************************************************
* CONFIGURATION ERRORS
*********************************************************************************************************
*/
#ifndef LIB_STR_CFG_FP_EN
#error "LIB_STR_CFG_FP_EN not #define'd in 'lib_cfg.h'"
#error " [MUST be DEF_DISABLED] "
#error " [ || DEF_ENABLED ] "
#elif ((LIB_STR_CFG_FP_EN != DEF_DISABLED) && \
(LIB_STR_CFG_FP_EN != DEF_ENABLED ))
#error "LIB_STR_CFG_FP_EN illegally #define'd in 'lib_cfg.h'"
#error " [MUST be DEF_DISABLED] "
#error " [ || DEF_ENABLED ] "
#elif (LIB_STR_CFG_FP_EN == DEF_ENABLED)
#ifndef LIB_STR_CFG_FP_MAX_NBR_DIG_SIG
#error "LIB_STR_CFG_FP_MAX_NBR_DIG_SIG not #define'd in 'lib_cfg.h' "
#error " [MUST be >= LIB_STR_FP_MAX_NBR_DIG_SIG_MIN]"
#error " [ && <= LIB_STR_FP_MAX_NBR_DIG_SIG_MAX]"
#elif (DEF_CHK_VAL(LIB_STR_CFG_FP_MAX_NBR_DIG_SIG, \
LIB_STR_FP_MAX_NBR_DIG_SIG_MIN, \
LIB_STR_FP_MAX_NBR_DIG_SIG_MAX) != DEF_OK)
#error "LIB_STR_CFG_FP_MAX_NBR_DIG_SIG illegally #define'd in 'lib_cfg.h' "
#error " [MUST be >= LIB_STR_FP_MAX_NBR_DIG_SIG_MIN]"
#error " [ && <= LIB_STR_FP_MAX_NBR_DIG_SIG_MAX]"
#endif
#endif
/*
*********************************************************************************************************
* MODULE END
*
* Note(s) : (1) See 'lib_str.h MODULE'.
*********************************************************************************************************
*/
#endif /* End of lib str module include. */
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