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-rw-r--r--chromium/base/files/file.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/chromium/base/files/file.h b/chromium/base/files/file.h
index cc157a49e97..d61c9f43b7b 100644
--- a/chromium/base/files/file.h
+++ b/chromium/base/files/file.h
@@ -10,10 +10,10 @@
#include <string>
#include "base/base_export.h"
+#include "base/containers/span.h"
#include "base/files/file_path.h"
#include "base/files/file_tracing.h"
#include "base/files/platform_file.h"
-#include "base/files/scoped_file.h"
#include "base/macros.h"
#include "base/time/time.h"
#include "build/build_config.h"
@@ -201,6 +201,14 @@ class BASE_EXPORT File {
// (relative to the start) or -1 in case of error.
int64_t Seek(Whence whence, int64_t offset);
+ // Simplified versions of Read() and friends (see below) that check the int
+ // return value and just return a boolean. They return true if and only if
+ // the function read in / wrote out exactly |size| bytes of data.
+ bool ReadAndCheck(int64_t offset, span<uint8_t> data);
+ bool ReadAtCurrentPosAndCheck(span<uint8_t> data);
+ bool WriteAndCheck(int64_t offset, span<const uint8_t> data);
+ bool WriteAtCurrentPosAndCheck(span<const uint8_t> data);
+
// Reads the given number of bytes (or until EOF is reached) starting with the
// given offset. Returns the number of bytes read, or -1 on error. Note that
// this function makes a best effort to read all data on all platforms, so it