xref: /freebsd/contrib/flex/src/tables_shared.c (revision 7e38239042df09edbbdc443ccb4825f9155c6bb7)
1 #ifdef FLEX_SCANNER
2 /*
3 dnl   tables_shared.c - tables serialization code
4 dnl
5 dnl   Copyright (c) 1990 The Regents of the University of California.
6 dnl   All rights reserved.
7 dnl
8 dnl   This code is derived from software contributed to Berkeley by
9 dnl   Vern Paxson.
10 dnl
11 dnl   The United States Government has rights in this work pursuant
12 dnl   to contract no. DE-AC03-76SF00098 between the United States
13 dnl   Department of Energy and the University of California.
14 dnl
15 dnl   This file is part of flex.
16 dnl
17 dnl   Redistribution and use in source and binary forms, with or without
18 dnl   modification, are permitted provided that the following conditions
19 dnl   are met:
20 dnl
21 dnl   1. Redistributions of source code must retain the above copyright
22 dnl      notice, this list of conditions and the following disclaimer.
23 dnl   2. Redistributions in binary form must reproduce the above copyright
24 dnl      notice, this list of conditions and the following disclaimer in the
25 dnl      documentation and/or other materials provided with the distribution.
26 dnl
27 dnl   Neither the name of the University nor the names of its contributors
28 dnl   may be used to endorse or promote products derived from this software
29 dnl   without specific prior written permission.
30 dnl
31 dnl   THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
32 dnl   IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
33 dnl   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
34 dnl   PURPOSE.
35 dnl
36 */
37 
38 /* This file is meant to be included in both the skeleton and the actual
39  * flex code (hence the name "_shared").
40  */
41 #ifndef yyskel_static
42 #define yyskel_static static
43 #endif
44 #else
45 #include "flexdef.h"
46 #include "tables.h"
47 #ifndef yyskel_static
48 #define yyskel_static
49 #endif
50 #endif
51 
52 
53 /** Get the number of integers in this table. This is NOT the
54  *  same thing as the number of elements.
55  *  @param tbl the table
56  *  @return the number of integers in the table
57  */
yytbl_calc_total_len(const struct yytbl_data * tbl)58 yyskel_static flex_int32_t yytbl_calc_total_len (const struct yytbl_data *tbl)
59 {
60 	flex_uint32_t n;
61 
62 	/* total number of ints */
63 	n = tbl->td_lolen;
64 	if (tbl->td_hilen > 0)
65 		n *= tbl->td_hilen;
66 
67 	if (tbl->td_id == YYTD_ID_TRANSITION)
68 		n *= 2;
69 	return (flex_int32_t) n;
70 }
71