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1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 ******************************************************************************
5 *
6 *   Copyright (C) 1997-2012, International Business Machines
7 *   Corporation and others.  All Rights Reserved.
8 *
9 ******************************************************************************
10 *
11 * File CSTRING.H
12 *
13 * Contains CString interface
14 *
15 * @author       Helena Shih
16 *
17 * Modification History:
18 *
19 *   Date        Name        Description
20 *   6/17/98     hshih       Created.
21 *  05/03/99     stephen     Changed from functions to macros.
22 *  06/14/99     stephen     Added icu_strncat, icu_strncmp, icu_tolower
23 *
24 ******************************************************************************
25 */
26 
27 #ifndef CSTRING_H
28 #define CSTRING_H 1
29 
30 #include "unicode/utypes.h"
31 #include "cmemory.h"
32 #include <string.h>
33 #include <stdlib.h>
34 #include <ctype.h>
35 
36 #define uprv_strcpy(dst, src) U_STANDARD_CPP_NAMESPACE  strcpy(dst, src)
37 #define uprv_strlen(str) U_STANDARD_CPP_NAMESPACE strlen(str)
38 #define uprv_strcmp(s1, s2) U_STANDARD_CPP_NAMESPACE strcmp(s1, s2)
39 #define uprv_strcat(dst, src) U_STANDARD_CPP_NAMESPACE strcat(dst, src)
40 #define uprv_strchr(s, c) U_STANDARD_CPP_NAMESPACE strchr(s, c)
41 #define uprv_strstr(s, c) U_STANDARD_CPP_NAMESPACE strstr(s, c)
42 #define uprv_strrchr(s, c) U_STANDARD_CPP_NAMESPACE strrchr(s, c)
43 
44 #if U_DEBUG
45 
46 #define uprv_strncpy(dst, src, size) ( \
47     uprv_checkValidMemory(src, 1), \
48     U_STANDARD_CPP_NAMESPACE strncpy(dst, src, size))
49 #define uprv_strncmp(s1, s2, n) ( \
50     uprv_checkValidMemory(s1, 1), \
51     uprv_checkValidMemory(s2, 1), \
52     U_STANDARD_CPP_NAMESPACE strncmp(s1, s2, n))
53 #define uprv_strncat(dst, src, n) ( \
54     uprv_checkValidMemory(src, 1), \
55     U_STANDARD_CPP_NAMESPACE strncat(dst, src, n))
56 
57 #else
58 
59 #define uprv_strncpy(dst, src, size) U_STANDARD_CPP_NAMESPACE strncpy(dst, src, size)
60 #define uprv_strncmp(s1, s2, n) U_STANDARD_CPP_NAMESPACE strncmp(s1, s2, n)
61 #define uprv_strncat(dst, src, n) U_STANDARD_CPP_NAMESPACE strncat(dst, src, n)
62 
63 #endif  /* U_DEBUG */
64 
65 /**
66  * Is c an ASCII-repertoire letter a-z or A-Z?
67  * Note: The implementation is specific to whether ICU is compiled for
68  * an ASCII-based or EBCDIC-based machine. There just does not seem to be a better name for this.
69  */
70 U_CAPI UBool U_EXPORT2
71 uprv_isASCIILetter(char c);
72 
73 U_CAPI char U_EXPORT2
74 uprv_toupper(char c);
75 
76 
77 U_CAPI char U_EXPORT2
78 uprv_asciitolower(char c);
79 
80 U_CAPI char U_EXPORT2
81 uprv_ebcdictolower(char c);
82 
83 #if U_CHARSET_FAMILY==U_ASCII_FAMILY
84 #   define uprv_tolower uprv_asciitolower
85 #elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
86 #   define uprv_tolower uprv_ebcdictolower
87 #else
88 #   error U_CHARSET_FAMILY is not valid
89 #endif
90 
91 #define uprv_strtod(source, end) U_STANDARD_CPP_NAMESPACE strtod(source, end)
92 #define uprv_strtoul(str, end, base) U_STANDARD_CPP_NAMESPACE strtoul(str, end, base)
93 #define uprv_strtol(str, end, base) U_STANDARD_CPP_NAMESPACE strtol(str, end, base)
94 
95 /* Conversion from a digit to the character with radix base from 2-19 */
96 /* May need to use U_UPPER_ORDINAL*/
97 #define T_CString_itosOffset(a) ((a)<=9?('0'+(a)):('A'+(a)-10))
98 
99 U_CAPI char* U_EXPORT2
100 uprv_strdup(const char *src);
101 
102 /**
103  * uprv_malloc n+1 bytes, and copy n bytes from src into the new string.
104  * Terminate with a null at offset n.   If n is -1, works like uprv_strdup
105  * @param src
106  * @param n length of the input string, not including null.
107  * @return new string (owned by caller, use uprv_free to free).
108  * @internal
109  */
110 U_CAPI char* U_EXPORT2
111 uprv_strndup(const char *src, int32_t n);
112 
113 U_CAPI char* U_EXPORT2
114 T_CString_toLowerCase(char* str);
115 
116 U_CAPI char* U_EXPORT2
117 T_CString_toUpperCase(char* str);
118 
119 U_CAPI int32_t U_EXPORT2
120 T_CString_integerToString(char *buffer, int32_t n, int32_t radix);
121 
122 U_CAPI int32_t U_EXPORT2
123 T_CString_int64ToString(char *buffer, int64_t n, uint32_t radix);
124 
125 U_CAPI int32_t U_EXPORT2
126 T_CString_stringToInteger(const char *integerString, int32_t radix);
127 
128 /**
129  * Case-insensitive, language-independent string comparison
130  * limited to the ASCII character repertoire.
131  */
132 U_CAPI int U_EXPORT2
133 uprv_stricmp(const char *str1, const char *str2);
134 
135 /**
136  * Case-insensitive, language-independent string comparison
137  * limited to the ASCII character repertoire.
138  */
139 U_CAPI int U_EXPORT2
140 uprv_strnicmp(const char *str1, const char *str2, uint32_t n);
141 
142 #endif /* ! CSTRING_H */
143