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strnlen isn't available on some platforms, use StringRef instead
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224679 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -3664,7 +3664,8 @@ static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
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if (left > 0) {
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i++;
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outs() << " string #" << i << " " << format("%.*s\n", left, string);
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uint32_t len = strnlen(string, left) + 1;
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uint32_t NullPos = StringRef(string, left).find('\0');
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uint32_t len = std::min(NullPos, left) + 1;
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string += len;
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left -= len;
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}
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