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.
This commit is contained in:
Gleb Shchepa 2008-06-24 21:05:56 +05:00
parent 2c77798c74
commit c6f67c6fd9

View File

@ -1779,7 +1779,7 @@ static int read_and_execute(bool interactive)
the very beginning of a text file when
you save the file using "Unicode UTF-8" format.
*/
if (!line_number &&
if (line && !line_number &&
(uchar) line[0] == 0xEF &&
(uchar) line[1] == 0xBB &&
(uchar) line[2] == 0xBF)