X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=form%2Ffld_max.c;h=325541a373b5c76c076ae8f49ad68261fc1ba9db;hp=fc00bc21259a266ce6ef3d3a9f385fb895da34b2;hb=9f479192e3ca3413d235c66bf058f8cc63764898;hpb=eccca377f55c70b12e3e92621d94d1e1c1fcfb7d

diff --git a/form/fld_max.c b/form/fld_max.c
index fc00bc21..325541a3 100644
--- a/form/fld_max.c
+++ b/form/fld_max.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2019 Free Software Foundation, Inc.              *
+ * Copyright 2019-2020,2021 Thomas E. Dickey                                *
+ * Copyright 1998-2012,2013 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,19 +33,19 @@
 
 #include "form.priv.h"
 
-MODULE_ID("$Id: fld_max.c,v 1.14 2019/01/19 21:26:06 Leon.Winter Exp $")
+MODULE_ID("$Id: fld_max.c,v 1.18 2021/06/17 21:26:02 tom Exp $")
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnform  
+|   Facility      :  libnform
 |   Function      :  int set_max_field(FIELD *field, int maxgrow)
-|   
+|
 |   Description   :  Set the maximum growth for a dynamic field. If maxgrow=0
 |                    the field may grow to any possible size.
 |
 |   Return Values :  E_OK           - success
 |                    E_BAD_ARGUMENT - invalid argument
 +--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
+FORM_EXPORT(int)
 set_max_field(FIELD *field, int maxgrow)
 {
   T((T_CALLED("set_max_field(%p,%d)"), (void *)field, maxgrow));
@@ -63,7 +64,9 @@ set_max_field(FIELD *field, int maxgrow)
 	    RETURN(E_BAD_ARGUMENT);
 	}
       field->maxgrow = maxgrow;
-      if (Field_Has_Option(field, O_INPUT_LIMIT) && field->dcols > maxgrow)
+      /* shrink */
+      if (maxgrow > 0 && Field_Has_Option(field, O_INPUT_LIMIT) &&
+	  field->dcols > maxgrow)
 	field->dcols = maxgrow;
       ClrStatus(field, _MAY_GROW);
       if (!((unsigned)field->opts & O_STATIC))