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author | Tom Sepez <tsepez@chromium.org> | 2018-04-12 19:45:45 +0000 |
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committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-12 19:45:45 +0000 |
commit | 80a6cbe0a427e155de8555bc867af745d10f9777 (patch) | |
tree | f5a01546d4081a4c3618350f4b54d13690d30299 /core/fxcrt/bytestring.h | |
parent | 154e18f9a862975abecebe77b8f5fb418418d14c (diff) | |
download | pdfium-80a6cbe0a427e155de8555bc867af745d10f9777.tar.xz |
Return pdfium::span<char> from ByteString::GetBuffer().
Get bounds checking "for free".
Change-Id: I7b14cacbc7130ced7b5cb1869b82c96ccff8e642
Reviewed-on: https://pdfium-review.googlesource.com/30451
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxcrt/bytestring.h')
-rw-r--r-- | core/fxcrt/bytestring.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/core/fxcrt/bytestring.h b/core/fxcrt/bytestring.h index 70f10dcaba..c68d2f6991 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 { @@ -145,7 +146,10 @@ 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; |