1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #include <stdio.h>
16 #include <locale.h>
17
18 int
hash(char * s)19 hash(char *s)
20 {
21 int c, n;
22 for (n = 0; c = *s; s++)
23 n += (c*n+ c << (n%4));
24 return (n > 0 ? n : -n);
25 }
26
27 void
err(char * s,int a)28 err(char *s, int a)
29 {
30 fprintf(stderr, gettext("Error: "));
31 fprintf(stderr, s, a);
32 putc('\n', stderr);
33 exit(1);
34 }
35
36 int
prefix(char * t,char * s)37 prefix(char *t, char *s)
38 {
39 int c;
40
41 while ((c = *t++) == *s++)
42 if (c == 0)
43 return (1);
44 return (c == 0 ? 1 : 0);
45 }
46
47 char *
mindex(char * s,char c)48 mindex(char *s, char c)
49 {
50 char *p;
51 for (p = s; *p; p++)
52 if (*p == c)
53 return (p);
54 return (0);
55 }
56
57 void *
zalloc(size_t m,size_t n)58 zalloc(size_t m, size_t n)
59 {
60 char *calloc();
61 void *t;
62 #if D1
63 fprintf(stderr, "calling calloc for %d*%d bytes\n", m, n);
64 #endif
65 t = calloc(m, n);
66 #if D1
67 fprintf(stderr, "calloc returned %o\n", t);
68 #endif
69 return (t);
70 }
71