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-rw-r--r--xfa/fgas/font/cfgas_fontmgr.cpp24
1 files changed, 10 insertions, 14 deletions
diff --git a/xfa/fgas/font/cfgas_fontmgr.cpp b/xfa/fgas/font/cfgas_fontmgr.cpp
index 862e9299b5..1731079bdd 100644
--- a/xfa/fgas/font/cfgas_fontmgr.cpp
+++ b/xfa/fgas/font/cfgas_fontmgr.cpp
@@ -67,20 +67,16 @@ const FX_CHARSET_MAP g_FXCharset2CodePageTable[] = {
};
uint16_t GetCodePageFromCharset(uint8_t charset) {
- int32_t iEnd = sizeof(g_FXCharset2CodePageTable) / sizeof(FX_CHARSET_MAP) - 1;
- ASSERT(iEnd >= 0);
-
- int32_t iStart = 0, iMid;
- do {
- iMid = (iStart + iEnd) / 2;
- const FX_CHARSET_MAP& cp = g_FXCharset2CodePageTable[iMid];
- if (charset == cp.charset)
- return cp.codepage;
- if (charset < cp.charset)
- iEnd = iMid - 1;
- else
- iStart = iMid + 1;
- } while (iStart <= iEnd);
+ auto* result =
+ std::lower_bound(std::begin(g_FXCharset2CodePageTable),
+ std::end(g_FXCharset2CodePageTable), charset,
+ [](const FX_CHARSET_MAP& iter, const uint16_t& charset) {
+ return iter.charset < charset;
+ });
+ if (result != std::end(g_FXCharset2CodePageTable) &&
+ result->charset == charset) {
+ return result->codepage;
+ }
return 0xFFFF;
}