1 files changed, 0 insertions, 75 deletions
diff --git a/deps/icu-small/source/common/ucol_swp.cpp b/deps/icu-small/source/common/ucol_swp.cpp
index 3055abaca3..97b5c4aff5 100644
--- a/deps/icu-small/source/common/ucol_swp.cpp
+++ b/deps/icu-small/source/common/ucol_swp.cpp
@@ -28,81 +28,6 @@
 
 /* swapping ----------------------------------------------------------------- */
 
-/*
- * This performs data swapping for a folded trie (see utrie.c for details).
- */
-
-U_CAPI int32_t U_EXPORT2
-utrie_swap(const UDataSwapper *ds,
-           const void *inData, int32_t length, void *outData,
-           UErrorCode *pErrorCode) {
-    const UTrieHeader *inTrie;
-    UTrieHeader trie;
-    int32_t size;
-    UBool dataIs32;
-
-    if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
-        return 0;
-    }
-    if(ds==NULL || inData==NULL || (length>=0 && outData==NULL)) {
-        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
-        return 0;
-    }
-
-    /* setup and swapping */
-    if(length>=0 && (uint32_t)length<sizeof(UTrieHeader)) {
-        *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
-        return 0;
-    }
-
-    inTrie=(const UTrieHeader *)inData;
-    trie.signature=ds->readUInt32(inTrie->signature);
-    trie.options=ds->readUInt32(inTrie->options);
-    trie.indexLength=udata_readInt32(ds, inTrie->indexLength);
-    trie.dataLength=udata_readInt32(ds, inTrie->dataLength);
-
-    if( trie.signature!=0x54726965 ||
-        (trie.options&UTRIE_OPTIONS_SHIFT_MASK)!=UTRIE_SHIFT ||
-        ((trie.options>>UTRIE_OPTIONS_INDEX_SHIFT)&UTRIE_OPTIONS_SHIFT_MASK)!=UTRIE_INDEX_SHIFT ||
-        trie.indexLength<UTRIE_BMP_INDEX_LENGTH ||
-        (trie.indexLength&(UTRIE_SURROGATE_BLOCK_COUNT-1))!=0 ||
-        trie.dataLength<UTRIE_DATA_BLOCK_LENGTH ||
-        (trie.dataLength&(UTRIE_DATA_GRANULARITY-1))!=0 ||
-        ((trie.options&UTRIE_OPTIONS_LATIN1_IS_LINEAR)!=0 && trie.dataLength<(UTRIE_DATA_BLOCK_LENGTH+0x100))
-    ) {
-        *pErrorCode=U_INVALID_FORMAT_ERROR; /* not a UTrie */
-        return 0;
-    }
-
-    dataIs32=(UBool)((trie.options&UTRIE_OPTIONS_DATA_IS_32_BIT)!=0);
-    size=sizeof(UTrieHeader)+trie.indexLength*2+trie.dataLength*(dataIs32?4:2);
-
-    if(length>=0) {
-        UTrieHeader *outTrie;
-
-        if(length<size) {
-            *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
-            return 0;
-        }
-
-        outTrie=(UTrieHeader *)outData;
-
-        /* swap the header */
-        ds->swapArray32(ds, inTrie, sizeof(UTrieHeader), outTrie, pErrorCode);
-
-        /* swap the index and the data */
-        if(dataIs32) {
-            ds->swapArray16(ds, inTrie+1, trie.indexLength*2, outTrie+1, pErrorCode);
-            ds->swapArray32(ds, (const uint16_t *)(inTrie+1)+trie.indexLength, trie.dataLength*4,
-                                     (uint16_t *)(outTrie+1)+trie.indexLength, pErrorCode);
-        } else {
-            ds->swapArray16(ds, inTrie+1, (trie.indexLength+trie.dataLength)*2, outTrie+1, pErrorCode);
-        }
-    }
-
-    return size;
-}
-
 #if !UCONFIG_NO_COLLATION
 
 U_CAPI UBool U_EXPORT2