ICU-59173.0.1.tar.gz

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

diff --git a/icuSources/common/cstring.h b/icuSources/common/cstring.h
index e7cea641bbb52704ac6fcc5334bd48b5b8954f04..2232efcda5c0ef9847552d224c3cf9faf5320d29 100644 (file)
--- a/icuSources/common/cstring.h
+++ b/icuSources/common/cstring.h
@@ -1,7 +1,9 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1997-2011, International Business Machines
+*   Copyright (C) 1997-2012, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -26,21 +28,40 @@
 #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