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