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// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
* Copyright (C) 1997-2012, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
*
* File CSTRING.H
*
* Contains CString interface
*
* @author Helena Shih
*
* Modification History:
*
* Date Name Description
* 6/17/98 hshih Created.
* 05/03/99 stephen Changed from functions to macros.
* 06/14/99 stephen Added icu_strncat, icu_strncmp, icu_tolower
*
******************************************************************************
*/
#ifndef CSTRING_H
#define CSTRING_H 1
#include "unicode/utypes.h"
#include "cmemory.h"
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#define uprv_strcpy(dst, src) U_STANDARD_CPP_NAMESPACE strcpy(dst, src)
#define uprv_strlen(str) U_STANDARD_CPP_NAMESPACE strlen(str)
#define uprv_strcmp(s1, s2) U_STANDARD_CPP_NAMESPACE strcmp(s1, s2)
#define uprv_strcat(dst, src) U_STANDARD_CPP_NAMESPACE strcat(dst, src)
#define uprv_strchr(s, c) U_STANDARD_CPP_NAMESPACE strchr(s, c)
#define uprv_strstr(s, c) U_STANDARD_CPP_NAMESPACE strstr(s, c)
#define uprv_strrchr(s, c) U_STANDARD_CPP_NAMESPACE strrchr(s, c)
#if U_DEBUG
#define uprv_strncpy(dst, src, size) ( \
uprv_checkValidMemory(src, 1), \
U_STANDARD_CPP_NAMESPACE strncpy(dst, src, size))
#define uprv_strncmp(s1, s2, n) ( \
uprv_checkValidMemory(s1, 1), \
uprv_checkValidMemory(s2, 1), \
U_STANDARD_CPP_NAMESPACE strncmp(s1, s2, n))
#define uprv_strncat(dst, src, n) ( \
uprv_checkValidMemory(src, 1), \
U_STANDARD_CPP_NAMESPACE strncat(dst, src, n))
#else
#define uprv_strncpy(dst, src, size) U_STANDARD_CPP_NAMESPACE strncpy(dst, src, size)
#define uprv_strncmp(s1, s2, n) U_STANDARD_CPP_NAMESPACE strncmp(s1, s2, n)
#define uprv_strncat(dst, src, n) U_STANDARD_CPP_NAMESPACE strncat(dst, src, n)
#endif /* U_DEBUG */
/**
* Is c an ASCII-repertoire letter a-z or A-Z?
* Note: The implementation is specific to whether ICU is compiled for
* an ASCII-based or EBCDIC-based machine. There just does not seem to be a better name for this.
*/
U_CAPI UBool U_EXPORT2
uprv_isASCIILetter(char c);
U_CAPI char U_EXPORT2
uprv_toupper(char c);
U_CAPI char U_EXPORT2
uprv_asciitolower(char c);
U_CAPI char U_EXPORT2
uprv_ebcdictolower(char c);
#if U_CHARSET_FAMILY==U_ASCII_FAMILY
# define uprv_tolower uprv_asciitolower
#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
# define uprv_tolower uprv_ebcdictolower
#else
# error U_CHARSET_FAMILY is not valid
#endif
#define uprv_strtod(source, end) U_STANDARD_CPP_NAMESPACE strtod(source, end)
#define uprv_strtoul(str, end, base) U_STANDARD_CPP_NAMESPACE strtoul(str, end, base)
#define uprv_strtol(str, end, base) U_STANDARD_CPP_NAMESPACE strtol(str, end, base)
/* Conversion from a digit to the character with radix base from 2-19 */
/* May need to use U_UPPER_ORDINAL*/
#define T_CString_itosOffset(a) ((a)<=9?('0'+(a)):('A'+(a)-10))
U_CAPI char* U_EXPORT2
uprv_strdup(const char *src);
/**
* uprv_malloc n+1 bytes, and copy n bytes from src into the new string.
* Terminate with a null at offset n. If n is -1, works like uprv_strdup
* @param src
* @param n length of the input string, not including null.
* @return new string (owned by caller, use uprv_free to free).
* @internal
*/
U_CAPI char* U_EXPORT2
uprv_strndup(const char *src, int32_t n);
U_CAPI char* U_EXPORT2
T_CString_toLowerCase(char* str);
U_CAPI char* U_EXPORT2
T_CString_toUpperCase(char* str);
U_CAPI int32_t U_EXPORT2
T_CString_integerToString(char *buffer, int32_t n, int32_t radix);
U_CAPI int32_t U_EXPORT2
T_CString_int64ToString(char *buffer, int64_t n, uint32_t radix);
U_CAPI int32_t U_EXPORT2
T_CString_stringToInteger(const char *integerString, int32_t radix);
/**
* Case-insensitive, language-independent string comparison
* limited to the ASCII character repertoire.
*/
U_CAPI int U_EXPORT2
uprv_stricmp(const char *str1, const char *str2);
/**
* Case-insensitive, language-independent string comparison
* limited to the ASCII character repertoire.
*/
U_CAPI int U_EXPORT2
uprv_strnicmp(const char *str1, const char *str2, uint32_t n);
#endif /* ! CSTRING_H */
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