diff options
Diffstat (limited to 'thirdparty/icu4c/common/cmemory.h')
| -rw-r--r-- | thirdparty/icu4c/common/cmemory.h | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/thirdparty/icu4c/common/cmemory.h b/thirdparty/icu4c/common/cmemory.h index a9d9424b4e..f03b7dcce6 100644 --- a/thirdparty/icu4c/common/cmemory.h +++ b/thirdparty/icu4c/common/cmemory.h @@ -31,14 +31,63 @@ #include <stddef.h> #include <string.h> #include "unicode/localpointer.h" +#include "uassert.h" #if U_DEBUG && defined(UPRV_MALLOC_COUNT) #include <stdio.h> #endif - -#define uprv_memcpy(dst, src, size) U_STANDARD_CPP_NAMESPACE memcpy(dst, src, size) -#define uprv_memmove(dst, src, size) U_STANDARD_CPP_NAMESPACE memmove(dst, src, size) +// uprv_memcpy and uprv_memmove +#if defined(__clang__) +#define uprv_memcpy(dst, src, size) UPRV_BLOCK_MACRO_BEGIN { \ + /* Suppress warnings about addresses that will never be NULL */ \ + _Pragma("clang diagnostic push") \ + _Pragma("clang diagnostic ignored \"-Waddress\"") \ + U_ASSERT(dst != NULL); \ + U_ASSERT(src != NULL); \ + _Pragma("clang diagnostic pop") \ + U_STANDARD_CPP_NAMESPACE memcpy(dst, src, size); \ +} UPRV_BLOCK_MACRO_END +#define uprv_memmove(dst, src, size) UPRV_BLOCK_MACRO_BEGIN { \ + /* Suppress warnings about addresses that will never be NULL */ \ + _Pragma("clang diagnostic push") \ + _Pragma("clang diagnostic ignored \"-Waddress\"") \ + U_ASSERT(dst != NULL); \ + U_ASSERT(src != NULL); \ + _Pragma("clang diagnostic pop") \ + U_STANDARD_CPP_NAMESPACE memmove(dst, src, size); \ +} UPRV_BLOCK_MACRO_END +#elif defined(__GNUC__) +#define uprv_memcpy(dst, src, size) UPRV_BLOCK_MACRO_BEGIN { \ + /* Suppress warnings about addresses that will never be NULL */ \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Waddress\"") \ + U_ASSERT(dst != NULL); \ + U_ASSERT(src != NULL); \ + _Pragma("GCC diagnostic pop") \ + U_STANDARD_CPP_NAMESPACE memcpy(dst, src, size); \ +} UPRV_BLOCK_MACRO_END +#define uprv_memmove(dst, src, size) UPRV_BLOCK_MACRO_BEGIN { \ + /* Suppress warnings about addresses that will never be NULL */ \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Waddress\"") \ + U_ASSERT(dst != NULL); \ + U_ASSERT(src != NULL); \ + _Pragma("GCC diagnostic pop") \ + U_STANDARD_CPP_NAMESPACE memmove(dst, src, size); \ +} UPRV_BLOCK_MACRO_END +#else +#define uprv_memcpy(dst, src, size) UPRV_BLOCK_MACRO_BEGIN { \ + U_ASSERT(dst != NULL); \ + U_ASSERT(src != NULL); \ + U_STANDARD_CPP_NAMESPACE memcpy(dst, src, size); \ +} UPRV_BLOCK_MACRO_END +#define uprv_memmove(dst, src, size) UPRV_BLOCK_MACRO_BEGIN { \ + U_ASSERT(dst != NULL); \ + U_ASSERT(src != NULL); \ + U_STANDARD_CPP_NAMESPACE memmove(dst, src, size); \ +} UPRV_BLOCK_MACRO_END +#endif /** * \def UPRV_LENGTHOF |