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root/radiance/ray/src/common/lookup.c
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Comparing ray/src/common/lookup.c (file contents):
Revision 2.14 by greg, Tue May 25 06:30:46 2004 UTC vs.
Revision 2.19 by greg, Sun Feb 9 00:08:18 2014 UTC

# Line 7 | Line 7 | static const char      RCSid[] = "$Id$";
7  
8   #include <stdio.h>
9   #include <stdlib.h>
10 + #include <string.h>
11  
12   #include "lookup.h"
13  
13 extern int
14 lu_strcmp(
15        const void *s1,
16        const void *s2
17 )
18 {
19        return strcmp((const char*)s1,(const char*)s2);
20 }
14  
15 < extern int
15 > int
16   lu_init(                /* initialize tbl for at least nel elements */
17 <        register LUTAB  *tbl,
17 >        LUTAB   *tbl,
18          int     nel
19   )
20   {
# Line 30 | Line 23 | lu_init(               /* initialize tbl for at least nel elements
23                  32749, 65521, 131071, 262139, 524287, 1048573, 2097143,
24                  4194301, 8388593, 0
25          };
26 <        register int  *hsp;
26 >        int  *hsp;
27  
28          nel += nel>>1;                  /* 66% occupancy */
29          for (hsp = hsiztab; *hsp; hsp++)
# Line 46 | Line 39 | lu_init(               /* initialize tbl for at least nel elements
39   }
40  
41  
42 < extern unsigned long
42 > unsigned long
43   lu_shash(                       /* hash a nul-terminated string */
44 <        void    *s
44 >        const char      *s
45   )
46   {
47          static unsigned char shuffle[256] = {
# Line 77 | Line 70 | lu_shash(                      /* hash a nul-terminated string */
70                  106, 7, 164, 65, 222, 123, 24, 181, 82, 239, 140,
71                  41, 198, 99
72          };
73 <        register int    i = 0;
74 <        register unsigned long  h = 0;
75 <        register unsigned char *t = (unsigned char *)s;
73 >        int                     i = 0;
74 >        unsigned long           h = 0;
75 >        unsigned const char     *t = (unsigned const char *)s;
76  
77          while (*t)
78                  h ^= (unsigned long)shuffle[*t++] << ((i+=11) & 0xf);
# Line 88 | Line 81 | lu_shash(                      /* hash a nul-terminated string */
81   }
82  
83  
84 < extern LUENT *
84 > LUENT *
85   lu_find(                /* find a table entry */
86 <        register LUTAB  *tbl,
87 <        char    *key
86 >        LUTAB   *tbl,
87 >        const char      *key
88   )
89   {
90          unsigned long   hval;
91          int     i, n;
92 <        register int    ndx;
93 <        register LUENT  *le;
92 >        int     ndx;
93 >        LUENT   *le;
94                                          /* look up object */
95          if (tbl->tsiz == 0 && !lu_init(tbl, 1))
96                  return(NULL);
# Line 144 | Line 137 | tryagain:
137   }
138  
139  
140 < extern void
140 > void
141   lu_delete(              /* delete a table entry */
142 <        register LUTAB  *tbl,
143 <        char    *key
142 >        LUTAB *tbl,
143 >        const char *key
144   )
145   {
146 <        register LUENT  *le;
146 >        LUENT   *le;
147  
148          if ((le = lu_find(tbl, key)) == NULL)
149                  return;
# Line 163 | Line 156 | lu_delete(             /* delete a table entry */
156   }
157  
158  
159 < extern int
159 > int
160   lu_doall(               /* loop through all valid table entries */
161 <        register LUTAB  *tbl,
162 <        //int   (*f)(LUENT *)
161 >        const LUTAB *tbl,
162 >        /* int  (*f)(const LUENT *, void *) */
163          lut_doallf_t *f,
164          void *p
165   )
166   {
167          int     rval = 0;
168 <        register LUENT  *tp;
168 >        const LUENT     *tp;
169  
170          for (tp = tbl->tabl + tbl->tsiz; tp-- > tbl->tabl; )
171                  if (tp->data != NULL) {
# Line 188 | Line 181 | lu_doall(              /* loop through all valid table entries */
181   }
182  
183  
184 < extern void
184 > void
185   lu_done(                        /* free table and contents */
186 <        register LUTAB  *tbl
186 >        LUTAB   *tbl
187   )
188   {
189 <        register LUENT  *tp;
189 >        LUENT   *tp;
190  
191          if (!tbl->tsiz)
192                  return;

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