1 files changed, 7 insertions, 1 deletions
diff --git a/strings/my_vsnprintf.c b/strings/my_vsnprintf.c
index 268f7d18f2a..d92b291321b 100644
--- a/strings/my_vsnprintf.c
+++ b/strings/my_vsnprintf.c
@@ -28,7 +28,8 @@
     %#[l]u
     %#[l]x
     %#.#s	Note first # is ignored
-
+    %c
+    
   RETURN
     length of result string
 */
@@ -120,6 +121,11 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
       to+= res_length;
       continue;
     }
+    else if (*fmt == 'c')
+    {
+      *(to++)= (char) va_arg(ap, int);
+      continue;
+    }
     /* We come here on '%%', unknown code or too long parameter */
     if (to == end)
       break;