1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#include "sys-defines.h"
#include "ode.h"
#include "extern.h"
/*
* symbol table space management
* routines
* Copyright Nicholas B. Tufillaro, 1982-1994. All rights reserved.
* GNU enhancements copyright (C) 1996-1999 Free Software Foundation, Inc.
*/
struct sym *
#ifdef _HAVE_PROTOS
lookup (const char *nam)
#else
lookup (nam)
const char *nam;
#endif
{
struct sym *sp;
for (sp = symtab; sp != NULL; sp = sp->sy_link)
if (strncmp (sp->sy_name, nam, NAMMAX) == 0)
return sp;
sp = salloc();
strncpy (sp->sy_name, nam, NAMMAX);
return sp;
}
struct sym *
#ifdef _HAVE_PROTOS
salloc (void)
#else
salloc ()
#endif
{
struct sym *sp;
sp = (struct sym *)xmalloc(sizeof(struct sym));
sp->sy_link = symtab;
symtab = sp;
sp->sy_expr = NULL;
sp->sy_value = sp->sy_prime = 0.0;
sp->sy_sserr = sp->sy_aberr = sp->sy_acerr = 0.0;
sp->sy_flags = 0;
return sp;
}
void
#ifdef _HAVE_PROTOS
sfree (struct sym *sp)
#else
sfree (sp)
struct sym *sp;
#endif
{
if (sp != NULL)
free ((voidptr_t)sp);
}
|
