diff options
Diffstat (limited to 'net/base/file_stream.h')
| -rw-r--r-- | net/base/file_stream.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/base/file_stream.h b/net/base/file_stream.h index 20466b4..eaf6a0d 100644 --- a/net/base/file_stream.h +++ b/net/base/file_stream.h @@ -81,6 +81,13 @@ class FileStream { // You can pass NULL as the callback for synchronous I/O. int Read(char* buf, int buf_len, CompletionCallback* callback); + // Performs the same as Read, but ensures that exactly buf_len bytes + // are copied into buf. A partial read may occur, but only as a result of + // end-of-file or fatal error. Returns the number of bytes copied into buf, + // 0 if at end-of-file and no bytes have been read into buf yet, + // or an error code if the operation could not be performed. + int ReadUntilComplete(char *buf, int buf_len); + // Call this method to write data at the current stream position. Up to // buf_len bytes will be written from buf. (In other words, partial writes are // allowed.) Returns the number of bytes written, or an error code if the |