ICU-21011 Debug print detail size of brk files.

To print it,
$ CXXFLAGS="-DRBBI_DEBUG" ./runConfigureICU --enable-debug --disable-release  Linux/gcc --disable-layoutex
$ make clean
$ U_RBBIDEBUG="size" make

diff --git a/icu4c/source/common/rbbirb.cpp b/icu4c/source/common/rbbirb.cpp
index 08c577696c22549f905b0b890c083f6f418436c9..68ded32e1d0e46bd72334a45b5fe1595c0f16759 100644 (file)
--- a/icu4c/source/common/rbbirb.cpp
+++ b/icu4c/source/common/rbbirb.cpp
@@ -161,6 +161,19 @@ RBBIDataHeader *RBBIRuleBuilder::flattenData() {
                                 + reverseTableSize
                                 + statusTableSize + trieSize + rulesSize;
 
+#ifdef RBBI_DEBUG
+    if (fDebugEnv && uprv_strstr(fDebugEnv, "size")) {
+        RBBIDebugPrintf("Header Size:        %8d\n", headerSize);
+        RBBIDebugPrintf("Forward Table Size: %8d\n", forwardTableSize);
+        RBBIDebugPrintf("Reverse Table Size: %8d\n", reverseTableSize);
+        RBBIDebugPrintf("Trie Size:          %8d\n", trieSize);
+        RBBIDebugPrintf("Status Table Size:  %8d\n", statusTableSize);
+        RBBIDebugPrintf("Rules Size:         %8d\n", rulesSize);
+        RBBIDebugPrintf("-----------------------------\n");
+        RBBIDebugPrintf("Total Size:         %8d\n", totalSize);
+    }
+#endif
+
     RBBIDataHeader  *data     = (RBBIDataHeader *)uprv_malloc(totalSize);
     if (data == NULL) {
         *fStatus = U_MEMORY_ALLOCATION_ERROR;