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-rw-r--r--client/mysql.cc2
-rw-r--r--client/readline.cc8
2 files changed, 10 insertions, 0 deletions
diff --git a/client/mysql.cc b/client/mysql.cc
index 9ee1ca6ae1a..5f33cad6dba 100644
--- a/client/mysql.cc
+++ b/client/mysql.cc
@@ -1127,6 +1127,8 @@ int main(int argc,char *argv[])
if (status.batch && !status.line_buff &&
!(status.line_buff= batch_readline_init(MAX_BATCH_BUFFER_SIZE, stdin)))
{
+ put_info("Can't initialize batch_readline - may be the input source is "
+ "a directory or a block device.", INFO_ERROR, 0);
free_defaults(defaults_argv);
my_end(0);
exit(1);
diff --git a/client/readline.cc b/client/readline.cc
index 83c9591b8b2..c4bb4ab53f6 100644
--- a/client/readline.cc
+++ b/client/readline.cc
@@ -18,6 +18,7 @@
#include <my_global.h>
#include <my_sys.h>
#include <m_string.h>
+#include <my_dir.h>
#include "my_readline.h"
static bool init_line_buffer(LINE_BUFFER *buffer,File file,ulong size,
@@ -30,6 +31,13 @@ static char *intern_read_line(LINE_BUFFER *buffer, ulong *out_length);
LINE_BUFFER *batch_readline_init(ulong max_size,FILE *file)
{
LINE_BUFFER *line_buff;
+ MY_STAT input_file_stat;
+
+ if (my_fstat(fileno(file), &input_file_stat, MYF(MY_WME)) ||
+ MY_S_ISDIR(input_file_stat.st_mode) ||
+ MY_S_ISBLK(input_file_stat.st_mode))
+ return 0;
+
if (!(line_buff=(LINE_BUFFER*)
my_malloc(sizeof(*line_buff),MYF(MY_WME | MY_ZEROFILL))))
return 0;