scan: Ensure format is converted to string form

Must have a stringrep before parsing.

Reported-by: Ryan Whitworth <me@ryanwhitworth.com>
Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 2 insertions, 2 deletions

diff --git a/jim.c b/jim.c
index 037d886..959e4f8 100644
--- a/jim.c
+++ b/jim.c
@@ -9757,8 +9757,8 @@ static int SetScanFmtFromAny(Jim_Interp *interp, Jim_Obj *objPtr)
     ScanFmtStringObj *fmtObj;
     char *buffer;
     int maxCount, i, approxSize, lastPos = -1;
-    const char *fmt = objPtr->bytes;
-    int maxFmtLen = objPtr->length;
+    const char *fmt = Jim_String(objPtr);
+    int maxFmtLen = Jim_Length(objPtr);
     const char *fmtEnd = fmt + maxFmtLen;
     int curr;