addsev.c revision 2552:04b007b7b43f
133965Sjdp/* 233965Sjdp * CDDL HEADER START 3218822Sdim * 489857Sobrien * The contents of this file are subject to the terms of the 589857Sobrien * Common Development and Distribution License (the "License"). 689857Sobrien * You may not use this file except in compliance with the License. 789857Sobrien * 889857Sobrien * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 960484Sobrien * or http://www.opensolaris.org/os/licensing. 1060484Sobrien * See the License for the specific language governing permissions 1160484Sobrien * and limitations under the License. 1233965Sjdp * 13218822Sdim * When distributing Covered Code, include this CDDL HEADER in each 14218822Sdim * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 1533965Sjdp * If applicable, add the following below this CDDL HEADER, with the 16130561Sobrien * fields enclosed by brackets "[]" replaced with your own identifying 17130561Sobrien * information: Portions Copyright [yyyy] [name of copyright owner] 18130561Sobrien * 19130561Sobrien * CDDL HEADER END 2033965Sjdp */ 21130561Sobrien/* 22130561Sobrien * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23130561Sobrien * Use is subject to license terms. 24130561Sobrien */ 2533965Sjdp 26130561Sobrien#pragma ident "%Z%%M% %I% %E% SMI" 27130561Sobrien 28218822Sdim/* Copyright (c) 1988 AT&T */ 2933965Sjdp/* All Rights Reserved */ 3033965Sjdp 3133965Sjdp#pragma weak addsev = _addsev 3233965Sjdp 3333965Sjdp#include "synonyms.h" 3433965Sjdp#include "mtlib.h" 3589857Sobrien#include "libc.h" 3689857Sobrien#include <stdlib.h> 3789857Sobrien#include <pfmt.h> 3889857Sobrien#include <thread.h> 3989857Sobrien#include "pfmt_data.h" 40218822Sdim#include <sys/types.h> 41218822Sdim#include <string.h> 42218822Sdim#include <synch.h> 43218822Sdim 44218822Sdimint 45218822Sdimaddsev(int severity, const char *string) 46218822Sdim{ 47218822Sdim int i, firstfree; 48218822Sdim void *new; 49218822Sdim 5089857Sobrien /* Cannot redefine standard severity */ 51218822Sdim if ((severity <= 4) || (severity > 255)) 52218822Sdim return (-1); 5333965Sjdp 5433965Sjdp /* Locate severity in table */ 5533965Sjdp lrw_wrlock(&_rw_pfmt_sev_tab); 5633965Sjdp for (i = 0, firstfree = -1; i < __pfmt_nsev; i++) { 5733965Sjdp if (__pfmt_sev_tab[i].severity == 0 && firstfree == -1) 5833965Sjdp firstfree = i; 5933965Sjdp if (__pfmt_sev_tab[i].severity == severity) 6033965Sjdp break; 6177298Sobrien } 6233965Sjdp 63107492Sobrien if (i == __pfmt_nsev) { 6433965Sjdp if (string == NULL) /* Removing non-existing severity */ 6533965Sjdp return (0); 6633965Sjdp if (firstfree != -1) /* Re-use old entry */ 6733965Sjdp i = firstfree; 6860484Sobrien else { 69218822Sdim /* Allocate new entry */ 70218822Sdim new = libc_realloc(__pfmt_sev_tab, 71218822Sdim sizeof (struct sev_tab) * (__pfmt_nsev + 1)); 72218822Sdim if (new == NULL) { 73218822Sdim lrw_unlock(&_rw_pfmt_sev_tab); 7460484Sobrien return (-1); 7560484Sobrien } 7633965Sjdp __pfmt_nsev++; 7733965Sjdp __pfmt_sev_tab = new; 7860484Sobrien } 7960484Sobrien } 80130561Sobrien if (string == NULL) { 8160484Sobrien if (__pfmt_sev_tab[i].string) 8260484Sobrien libc_free(__pfmt_sev_tab[i].string); 8360484Sobrien __pfmt_sev_tab[i].severity = 0; 8460484Sobrien __pfmt_sev_tab[i].string = NULL; 8560484Sobrien lrw_unlock(&_rw_pfmt_sev_tab); 8660484Sobrien return (0); 8760484Sobrien } 8860484Sobrien new = libc_realloc(__pfmt_sev_tab[i].string, strlen(string) + 1); 8960484Sobrien if (new == NULL) { 9060484Sobrien lrw_unlock(&_rw_pfmt_sev_tab); 91218822Sdim return (-1); 92218822Sdim } 93218822Sdim __pfmt_sev_tab[i].severity = severity; 94218822Sdim __pfmt_sev_tab[i].string = new; 95218822Sdim (void) strcpy(__pfmt_sev_tab[i].string, string); 96218822Sdim lrw_unlock(&_rw_pfmt_sev_tab); 9760484Sobrien return (0); 9860484Sobrien} 9960484Sobrien