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 weak _addsev = addsev 31 32 #include "lint.h" 33 #include "mtlib.h" 34 #include "libc.h" 35 #include <stdlib.h> 36 #include <pfmt.h> 37 #include <thread.h> 38 #include "pfmt_data.h" 39 #include <sys/types.h> 40 #include <string.h> 41 #include <synch.h> 42 43 int 44 addsev(int severity, const char *string) 45 { 46 int i, firstfree; 47 void *new; 48 49 /* Cannot redefine standard severity */ 50 if ((severity <= 4) || (severity > 255)) 51 return (-1); 52 53 /* Locate severity in table */ 54 lrw_wrlock(&_rw_pfmt_sev_tab); 55 for (i = 0, firstfree = -1; i < __pfmt_nsev; i++) { 56 if (__pfmt_sev_tab[i].severity == 0 && firstfree == -1) 57 firstfree = i; 58 if (__pfmt_sev_tab[i].severity == severity) 59 break; 60 } 61 62 if (i == __pfmt_nsev) { 63 if (string == NULL) /* Removing non-existing severity */ 64 return (0); 65 if (firstfree != -1) /* Re-use old entry */ 66 i = firstfree; 67 else { 68 /* Allocate new entry */ 69 new = libc_realloc(__pfmt_sev_tab, 70 sizeof (struct sev_tab) * (__pfmt_nsev + 1)); 71 if (new == NULL) { 72 lrw_unlock(&_rw_pfmt_sev_tab); 73 return (-1); 74 } 75 __pfmt_nsev++; 76 __pfmt_sev_tab = new; 77 } 78 } 79 if (string == NULL) { 80 if (__pfmt_sev_tab[i].string) 81 libc_free(__pfmt_sev_tab[i].string); 82 __pfmt_sev_tab[i].severity = 0; 83 __pfmt_sev_tab[i].string = NULL; 84 lrw_unlock(&_rw_pfmt_sev_tab); 85 return (0); 86 } 87 new = libc_realloc(__pfmt_sev_tab[i].string, strlen(string) + 1); 88 if (new == NULL) { 89 lrw_unlock(&_rw_pfmt_sev_tab); 90 return (-1); 91 } 92 __pfmt_sev_tab[i].severity = severity; 93 __pfmt_sev_tab[i].string = new; 94 (void) strcpy(__pfmt_sev_tab[i].string, string); 95 lrw_unlock(&_rw_pfmt_sev_tab); 96 return (0); 97 } 98