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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* Copyright (c) 1988 AT&T */ 29 /* All Rights Reserved */ 30 31 #pragma weak addsev = _addsev 32 33 #include "synonyms.h" 34 #include "mtlib.h" 35 #include "libc.h" 36 #include <stdlib.h> 37 #include <pfmt.h> 38 #include <thread.h> 39 #include "pfmt_data.h" 40 #include <sys/types.h> 41 #include <string.h> 42 #include <synch.h> 43 44 int 45 addsev(int severity, const char *string) 46 { 47 int i, firstfree; 48 void *new; 49 50 /* Cannot redefine standard severity */ 51 if ((severity <= 4) || (severity > 255)) 52 return (-1); 53 54 /* Locate severity in table */ 55 lrw_wrlock(&_rw_pfmt_sev_tab); 56 for (i = 0, firstfree = -1; i < __pfmt_nsev; i++) { 57 if (__pfmt_sev_tab[i].severity == 0 && firstfree == -1) 58 firstfree = i; 59 if (__pfmt_sev_tab[i].severity == severity) 60 break; 61 } 62 63 if (i == __pfmt_nsev) { 64 if (string == NULL) /* Removing non-existing severity */ 65 return (0); 66 if (firstfree != -1) /* Re-use old entry */ 67 i = firstfree; 68 else { 69 /* Allocate new entry */ 70 new = libc_realloc(__pfmt_sev_tab, 71 sizeof (struct sev_tab) * (__pfmt_nsev + 1)); 72 if (new == NULL) { 73 lrw_unlock(&_rw_pfmt_sev_tab); 74 return (-1); 75 } 76 __pfmt_nsev++; 77 __pfmt_sev_tab = new; 78 } 79 } 80 if (string == NULL) { 81 if (__pfmt_sev_tab[i].string) 82 libc_free(__pfmt_sev_tab[i].string); 83 __pfmt_sev_tab[i].severity = 0; 84 __pfmt_sev_tab[i].string = NULL; 85 lrw_unlock(&_rw_pfmt_sev_tab); 86 return (0); 87 } 88 new = libc_realloc(__pfmt_sev_tab[i].string, strlen(string) + 1); 89 if (new == NULL) { 90 lrw_unlock(&_rw_pfmt_sev_tab); 91 return (-1); 92 } 93 __pfmt_sev_tab[i].severity = severity; 94 __pfmt_sev_tab[i].string = new; 95 (void) strcpy(__pfmt_sev_tab[i].string, string); 96 lrw_unlock(&_rw_pfmt_sev_tab); 97 return (0); 98 } 99