1 files changed, 2 insertions, 0 deletions
diff --git a/include/my_sys.h b/include/my_sys.h
index a02c390fe4b..e10cedfb654 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -52,6 +52,7 @@ typedef struct my_aio_result {
   area, and we would like to avoid unexpected truncation.
 */
 #define MYSYS_ERRMSG_SIZE   (512)
+#define MYSYS_STRERROR_SIZE (128)
 
 #define MY_FILE_ERROR	((size_t) -1)
 
@@ -627,6 +628,7 @@ extern FILE *my_fdopen(File Filedes,const char *name, int Flags,myf MyFlags);
 extern FILE *my_freopen(const char *path, const char *mode, FILE *stream);
 extern int my_fclose(FILE *fd,myf MyFlags);
 extern int my_vfprintf(FILE *stream, const char* format, va_list args);
+extern void my_strerror(char *buf, size_t len, int nr);
 extern File my_fileno(FILE *fd);
 extern int my_chsize(File fd,my_off_t newlength, int filler, myf MyFlags);
 extern int my_chmod(const char *name, mode_t mode, myf my_flags);