ICU-57131.0.1.tar.gz

[apple/icu.git] / icuSources / common / cstring.h

diff --git a/icuSources/common/cstring.h b/icuSources/common/cstring.h
index 6d2fd0e8159bcda045cb66246923bca53f9117b5..64b68ffabb26bcb915626ed4d115e942d37bb771 100644 (file)
--- a/icuSources/common/cstring.h
+++ b/icuSources/common/cstring.h
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1997-2005, International Business Machines
+*   Copyright (C) 1997-2012, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -26,21 +26,48 @@
 #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_strncpy(dst, src, size) U_STANDARD_CPP_NAMESPACE strncpy(dst, src, size)
 #define uprv_strlen(str) U_STANDARD_CPP_NAMESPACE strlen(str)
 #define uprv_strcmp(s1, s2) U_STANDARD_CPP_NAMESPACE strcmp(s1, s2)
-#define uprv_strncmp(s1, s2, n) U_STANDARD_CPP_NAMESPACE strncmp(s1, s2, n)
 #define uprv_strcat(dst, src) U_STANDARD_CPP_NAMESPACE strcat(dst, src)
-#define uprv_strncat(dst, src, n) U_STANDARD_CPP_NAMESPACE strncat(dst, src, n)
 #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);
 
@@ -62,21 +89,6 @@ uprv_ebcdictolower(char c);
 #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)
-#ifdef U_WINDOWS
-#   if defined(__BORLANDC__)
-#       define uprv_stricmp(str1, str2) U_STANDARD_CPP_NAMESPACE stricmp(str1, str2)
-#       define uprv_strnicmp(str1, str2, n) U_STANDARD_CPP_NAMESPACE strnicmp(str1, str2, n)
-#   else
-#       define uprv_stricmp(str1, str2) U_STANDARD_CPP_NAMESPACE _stricmp(str1, str2)
-#       define uprv_strnicmp(str1, str2, n) U_STANDARD_CPP_NAMESPACE _strnicmp(str1, str2, n)
-#   endif
-#elif defined(POSIX) 
-#   define uprv_stricmp(str1, str2) U_STANDARD_CPP_NAMESPACE strcasecmp(str1, str2) 
-#   define uprv_strnicmp(str1, str2, n) U_STANDARD_CPP_NAMESPACE strncasecmp(str1, str2, n) 
-#else
-#   define uprv_stricmp(str1, str2) T_CString_stricmp(str1, str2)
-#   define uprv_strnicmp(str1, str2, n) T_CString_strnicmp(str1, str2, n)
-#endif
 
 /* Conversion from a digit to the character with radix base from 2-19 */
 /* May need to use U_UPPER_ORDINAL*/
@@ -111,10 +123,18 @@ 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
-T_CString_stricmp(const char *str1, const char *str2);
+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
-T_CString_strnicmp(const char *str1, const char *str2, uint32_t n);
+uprv_strnicmp(const char *str1, const char *str2, uint32_t n);
 
 #endif /* ! CSTRING_H */