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Fix #7704: [OSX] Handle malformed UTF8 strings

pull/7743/head
uvealonso 2019-08-25 23:01:33 +01:00 committed by Charles Pigott
parent ee7ca008c9
commit c70d12ee38
1 changed files with 7 additions and 0 deletions
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7
src/os/macosx/string_osx.cpp
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@ -305,6 +305,13 @@ int MacOSStringCompare(const char *s1, const char *s2)
CFStringRef cf1 = CFStringCreateWithCString(kCFAllocatorDefault, s1, kCFStringEncodingUTF8);
CFStringRef cf2 = CFStringCreateWithCString(kCFAllocatorDefault, s2, kCFStringEncodingUTF8);
/* If any CFString could not be created (e.g., due to UTF8 invalid chars), return OS unsupported functionality */
if (cf1 == nullptr || cf2 == nullptr) {
if (cf1 != nullptr) CFRelease(cf1);
if (cf2 != nullptr) CFRelease(cf2);
return 0;
}
CFComparisonResult res = CFStringCompareWithOptionsAndLocale(cf1, cf2, CFRangeMake(0, CFStringGetLength(cf1)), flags, _osx_locale);
CFRelease(cf1);