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 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