/****************************************************************************
- * Copyright (c) 2002-2010,2011 Free Software Foundation, Inc. *
+ * Copyright 2020,2023 Thomas E. Dickey *
+ * Copyright 2002-2011,2016 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 *
#include <curses.priv.h>
-MODULE_ID("$Id: lib_unget_wch.c,v 1.15 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: lib_unget_wch.c,v 1.18 2023/06/03 12:50:52 tom Exp $")
/*
* Wrapper for wcrtomb() which obtains the length needed for the given
} else {
result = (int) wcrtomb(target, source, state);
}
- if (!isEILSEQ(result) && (result == 0))
+ if (!isEILSEQ(result) && ((result == 0) || (result > MB_LEN_MAX)))
result = 1;
return (size_t) result;
}
int result = OK;
mbstate_t state;
size_t length;
- int n;
T((T_CALLED("unget_wch(%p, %#lx)"), (void *) SP_PARM, (unsigned long) wch));
char *string;
if ((string = (char *) malloc(length)) != 0) {
+ int n;
+
init_mb(state);
/* ignore the result, since we already validated the character */
IGNORE_RC((int) wcrtomb(string, wch, &state));