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 void 68 pkgerr_add(PKG_ERR *err, PKG_ERR_CODE code, char *fmt, ...) 69 { 70 char errmsgbuf[1024]; 71 va_list ap; 72 73 va_start(ap, fmt); 74 (void) vsnprintf(errmsgbuf, MAX_ERRMSGLEN, fmt, ap); 75 va_end(ap); 76 77 err->nerrs++; 78 79 err->msgs = (char **)realloc(err->msgs, 80 err->nerrs * sizeof (char *)); 81 err->errs = (PKG_ERR_CODE *)realloc(err->errs, 82 err->nerrs * sizeof (PKG_ERR_CODE)); 83 err->msgs[err->nerrs - 1] = strdup(errmsgbuf); 84 err->errs[err->nerrs - 1] = code; 85 } 86 87 void 88 pkgerr_clear(PKG_ERR *err) 89 { 90 int i; 91 92 for (i = 0; i < err->nerrs; i++) { 93 free(err->msgs[i]); 94 } 95 96 free(err->msgs); 97 free(err->errs); 98 err->msgs = NULL; 99 err->errs = NULL; 100 err->nerrs = 0; 101 } 102 103 int 104 pkgerr_dump(PKG_ERR *err, FILE *fp) 105 { 106 int i; 107 108 for (i = 0; i < err->nerrs; i++) { 109 (void) fprintf(fp, err->msgs[i]); 110 } 111 return (0); 112 } 113 114 int 115 pkgerr_num(PKG_ERR *err) 116 { 117 return (err->nerrs); 118 } 119 120 char 121 *pkgerr_get(PKG_ERR *err, int pos) 122 { 123 if (pos < 0 || pos > (err->nerrs - 1)) { 124 return (NULL); 125 } 126 127 return (err->msgs[pos]); 128 } 129 130 void 131 pkgerr_free(PKG_ERR *err) 132 { 133 pkgerr_clear(err); 134 free(err); 135 } 136