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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 28 /* 29 * Module: pkgerr.c 30 * Description: 31 * Module for handling error messages that come from libpkg libraries. 32 */ 33 34 #include <stdio.h> 35 #include <string.h> 36 #include <sys/types.h> 37 #include <locale.h> 38 #include <libintl.h> 39 #include <stdlib.h> 40 #include <sys/varargs.h> 41 #include "pkgerr.h" 42 43 /* max length of any formatted error message */ 44 #define MAX_ERRMSGLEN 1024 45 46 /* private structures (not visible outside this file) */ 47 struct _pkg_err_struct { 48 int nerrs; 49 char **msgs; 50 PKG_ERR_CODE *errs; 51 }; 52 53 /* ---------------------- public functions ----------------------- */ 54 55 PKG_ERR 56 *pkgerr_new() 57 { 58 PKG_ERR *newerr; 59 60 newerr = (PKG_ERR *)malloc(sizeof (PKG_ERR)); 61 newerr->nerrs = 0; 62 newerr->msgs = NULL; 63 newerr->errs = NULL; 64 return (newerr); 65 } 66 67 /*PRINTFLIKE3*/ 68 void 69 pkgerr_add(PKG_ERR *err, PKG_ERR_CODE code, char *fmt, ...) 70 { 71 char errmsgbuf[1024]; 72 va_list ap; 73 74 va_start(ap, fmt); 75 (void) vsnprintf(errmsgbuf, MAX_ERRMSGLEN, fmt, ap); 76 va_end(ap); 77 78 err->nerrs++; 79 80 err->msgs = (char **)realloc(err->msgs, 81 err->nerrs * sizeof (char *)); 82 err->errs = (PKG_ERR_CODE *)realloc(err->errs, 83 err->nerrs * sizeof (PKG_ERR_CODE)); 84 err->msgs[err->nerrs - 1] = strdup(errmsgbuf); 85 err->errs[err->nerrs - 1] = code; 86 } 87 88 void 89 pkgerr_clear(PKG_ERR *err) 90 { 91 int i; 92 93 for (i = 0; i < err->nerrs; i++) { 94 free(err->msgs[i]); 95 } 96 97 free(err->msgs); 98 free(err->errs); 99 err->msgs = NULL; 100 err->errs = NULL; 101 err->nerrs = 0; 102 } 103 104 int 105 pkgerr_num(PKG_ERR *err) 106 { 107 return (err->nerrs); 108 } 109 110 char 111 *pkgerr_get(PKG_ERR *err, int pos) 112 { 113 if (pos < 0 || pos > (err->nerrs - 1)) { 114 return (NULL); 115 } 116 117 return (err->msgs[pos]); 118 } 119 120 void 121 pkgerr_free(PKG_ERR *err) 122 { 123 pkgerr_clear(err); 124 free(err); 125 } 126