1 files changed, 3 insertions, 3 deletions
diff --git a/thirdparty/icu4c/common/umapfile.cpp b/thirdparty/icu4c/common/umapfile.cpp
index faa6d80786..8dddf0e78d 100644
--- a/thirdparty/icu4c/common/umapfile.cpp
+++ b/thirdparty/icu4c/common/umapfile.cpp
@@ -236,9 +236,9 @@ typedef HANDLE MemoryMap;
 
         /* get a view of the mapping */
 #if U_PLATFORM != U_PF_HPUX
-        data=mmap(0, length, PROT_READ, MAP_SHARED,  fd, 0);
+        data=mmap(nullptr, length, PROT_READ, MAP_SHARED, fd, 0);
 #else
-        data=mmap(0, length, PROT_READ, MAP_PRIVATE, fd, 0);
+        data=mmap(nullptr, length, PROT_READ, MAP_PRIVATE, fd, 0);
 #endif
         close(fd); /* no longer needed */
         if(data==MAP_FAILED) {
@@ -262,7 +262,7 @@ typedef HANDLE MemoryMap;
             if(munmap(pData->mapAddr, dataLen)==-1) {
             }
             pData->pHeader=nullptr;
-            pData->map=0;
+            pData->map=nullptr;
             pData->mapAddr=nullptr;
         }
     }