ICU-62107.0.1.tar.gz

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

diff --git a/icuSources/common/cpputils.h b/icuSources/common/cpputils.h
index de09aea1427fbb7f9a7f2d11109950439cb62f8f..307e570486439f8aa13292f0d7ba326d1ed1270c 100644 (file)
--- a/icuSources/common/cpputils.h
+++ b/icuSources/common/cpputils.h
@@ -1,12 +1,14 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1997-2001, International Business Machines
+*   Copyright (C) 1997-2011, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
 *   file name:  cpputils.h
-*   encoding:   US-ASCII
+*   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:4
 */
@@ -15,6 +17,7 @@
 #define CPPUTILS_H
 
 #include "unicode/utypes.h"
+#include "unicode/unistr.h"
 #include "cmemory.h"
 
 /*==========================================================================*/
@@ -23,44 +26,72 @@
 
 static
 inline void uprv_arrayCopy(const double* src, double* dst, int32_t count)
-{ uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const double* src, int32_t srcStart,
               double* dst, int32_t dstStart, int32_t count)
-{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const int8_t* src, int8_t* dst, int32_t count)
-    { uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
+    { uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const int8_t* src, int32_t srcStart,
               int8_t* dst, int32_t dstStart, int32_t count)
-{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const int16_t* src, int16_t* dst, int32_t count)
-{ uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const int16_t* src, int32_t srcStart,
               int16_t* dst, int32_t dstStart, int32_t count)
-{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const int32_t* src, int32_t* dst, int32_t count)
-{ uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
 
 static
 inline void uprv_arrayCopy(const int32_t* src, int32_t srcStart,
               int32_t* dst, int32_t dstStart, int32_t count)
-{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
 
 static
 inline void
 uprv_arrayCopy(const UChar *src, int32_t srcStart,
         UChar *dst, int32_t dstStart, int32_t count)
-{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)(count * sizeof(*src))); }
+{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
+
+/**
+ * Copy an array of UnicodeString OBJECTS (not pointers).
+ * @internal
+ */
+static inline void
+uprv_arrayCopy(const icu::UnicodeString *src, icu::UnicodeString *dst, int32_t count)
+{ while(count-- > 0) *dst++ = *src++; }
+
+/**
+ * Copy an array of UnicodeString OBJECTS (not pointers).
+ * @internal
+ */
+static inline void
+uprv_arrayCopy(const icu::UnicodeString *src, int32_t srcStart,
+               icu::UnicodeString *dst, int32_t dstStart, int32_t count)
+{ uprv_arrayCopy(src+srcStart, dst+dstStart, count); }
+
+/**
+ * Checks that the string is readable and writable.
+ * Sets U_ILLEGAL_ARGUMENT_ERROR if the string isBogus() or has an open getBuffer().
+ */
+inline void
+uprv_checkCanGetBuffer(const icu::UnicodeString &s, UErrorCode &errorCode) {
+    if(U_SUCCESS(errorCode) && s.isBogus()) {
+        errorCode=U_ILLEGAL_ARGUMENT_ERROR;
+    }
+}
 
 #endif /* _CPPUTILS */