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-rw-r--r--lib/Support/raw_ostream.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 30bc76b..917e6be 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -487,12 +487,11 @@ void raw_string_ostream::write_impl(const char *Ptr, size_t Size) {
// and we only need to set the vector size when the data is flushed.
raw_svector_ostream::raw_svector_ostream(SmallVectorImpl<char> &O) : OS(O) {
- // Set up the initial external buffer. We enforce that the buffer must have at
+ // Set up the initial external buffer. We make sure that the buffer has at
// least 128 bytes free; raw_ostream itself only requires 64, but we want to
// make sure that we don't grow the buffer unnecessarily on destruction (when
// the data is flushed). See the FIXME below.
- if (OS.capacity() - OS.size() < 128)
- llvm_report_error("Invalid argument, must have at least 128 bytes free!");
+ OS.reserve(OS.size() + 128);
SetBuffer(OS.end(), OS.capacity() - OS.size());
}
@@ -519,6 +518,11 @@ void raw_svector_ostream::write_impl(const char *Ptr, size_t Size) {
uint64_t raw_svector_ostream::current_pos() { return OS.size(); }
+StringRef raw_svector_ostream::str() {
+ flush();
+ return StringRef(OS.begin(), OS.size());
+}
+
//===----------------------------------------------------------------------===//
// raw_null_ostream
//===----------------------------------------------------------------------===//