1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #pragma weak _addsev = addsev
33
34 #include "lint.h"
35 #include "mtlib.h"
36 #include "libc.h"
37 #include <stdlib.h>
38 #include <pfmt.h>
39 #include <thread.h>
40 #include "pfmt_data.h"
41 #include <sys/types.h>
42 #include <string.h>
43 #include <synch.h>
44
45 int
addsev(int severity,const char * string)46 addsev(int severity, const char *string)
47 {
48 int i, firstfree;
49 void *new;
50
51 /* Cannot redefine standard severity */
52 if ((severity <= 4) || (severity > 255))
53 return (-1);
54
55 /* Locate severity in table */
56 lrw_wrlock(&_rw_pfmt_sev_tab);
57 for (i = 0, firstfree = -1; i < __pfmt_nsev; i++) {
58 if (__pfmt_sev_tab[i].severity == 0 && firstfree == -1)
59 firstfree = i;
60 if (__pfmt_sev_tab[i].severity == severity)
61 break;
62 }
63
64 if (i == __pfmt_nsev) {
65 if (string == NULL) /* Removing non-existing severity */
66 return (0);
67 if (firstfree != -1) /* Re-use old entry */
68 i = firstfree;
69 else {
70 /* Allocate new entry */
71 new = libc_realloc(__pfmt_sev_tab,
72 sizeof (struct sev_tab) * (__pfmt_nsev + 1));
73 if (new == NULL) {
74 lrw_unlock(&_rw_pfmt_sev_tab);
75 return (-1);
76 }
77 __pfmt_nsev++;
78 __pfmt_sev_tab = new;
79 }
80 }
81 if (string == NULL) {
82 if (__pfmt_sev_tab[i].string)
83 libc_free(__pfmt_sev_tab[i].string);
84 __pfmt_sev_tab[i].severity = 0;
85 __pfmt_sev_tab[i].string = NULL;
86 lrw_unlock(&_rw_pfmt_sev_tab);
87 return (0);
88 }
89 new = libc_realloc(__pfmt_sev_tab[i].string, strlen(string) + 1);
90 if (new == NULL) {
91 lrw_unlock(&_rw_pfmt_sev_tab);
92 return (-1);
93 }
94 __pfmt_sev_tab[i].severity = severity;
95 __pfmt_sev_tab[i].string = new;
96 (void) strcpy(__pfmt_sev_tab[i].string, string);
97 lrw_unlock(&_rw_pfmt_sev_tab);
98 return (0);
99 }
100