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printf type correctness

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The %.*s format specifier requires an int for the maximum size, but StringRef::size is a size_t

cc @shepmaster
This commit is contained in:
Robin Kruppe 2016-12-07 17:02:34 +01:00
parent 85dc08e525
commit f58e553001
1 changed files with 5 additions and 2 deletions
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7
src/rustllvm/PassWrapper.cpp
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@ -533,8 +533,11 @@ LLVMRustPrintPasses() {
StringRef PassArg = info->getPassArgument();
StringRef PassName = info->getPassName();
if (!PassArg.empty()) {
printf("%15.*s - %.*s\n", PassArg.size(), PassArg.data(),
PassName.size(), PassName.data());
// These unsigned->signed casts could theoretically overflow, but
// realistically never will (and even if, the result is implementation
// defined rather plain UB).
printf("%15.*s - %.*s\n", (int)PassArg.size(), PassArg.data(),
(int)PassName.size(), PassName.data());
}
#else
if (info->getPassArgument() && *info->getPassArgument()) {