Commit c6f67c6f authored by Gleb Shchepa's avatar Gleb Shchepa

back-port from 5.1.

Bug#35480: BOM detection code crashes mysql CLI with zero-sized input
      
MySQL client crashed if no input was passed to it.
parent 2c77798c
...@@ -1779,7 +1779,7 @@ static int read_and_execute(bool interactive) ...@@ -1779,7 +1779,7 @@ static int read_and_execute(bool interactive)
the very beginning of a text file when the very beginning of a text file when
you save the file using "Unicode UTF-8" format. you save the file using "Unicode UTF-8" format.
*/ */
if (!line_number && if (line && !line_number &&
(uchar) line[0] == 0xEF && (uchar) line[0] == 0xEF &&
(uchar) line[1] == 0xBB && (uchar) line[1] == 0xBB &&
(uchar) line[2] == 0xBF) (uchar) line[2] == 0xBF)
......
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