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-rw-r--r--core/fxcrt/bytestring.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/core/fxcrt/bytestring.h b/core/fxcrt/bytestring.h
index ccb539b2ef..247238573d 100644
--- a/core/fxcrt/bytestring.h
+++ b/core/fxcrt/bytestring.h
@@ -17,6 +17,7 @@
#include "core/fxcrt/string_data_template.h"
#include "core/fxcrt/string_view_template.h"
#include "third_party/base/optional.h"
+#include "third_party/base/span.h"
namespace fxcrt {
@@ -153,7 +154,10 @@ class ByteString {
size_t Delete(size_t index, size_t count = 1);
void Reserve(size_t len);
- char* GetBuffer(size_t len);
+
+ // Note: any modification of the string (including ReleaseBuffer()) may
+ // invalidate the span, which must not outlive its buffer.
+ pdfium::span<char> GetBuffer(size_t len);
void ReleaseBuffer(size_t len);
ByteString Mid(size_t first, size_t count) const;