1/*
2 * Copyright (c) 2005-2007 Rob Braun
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Rob Braun nor the names of his contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29/*
30 * 03-Apr-2005
31 * DRI: Rob Braun <bbraun@synack.net>
32 */
33
34#include <stdlib.h>
35#include <string.h>
36#include <errno.h>
37#include "xar.h"
38#include "archive.h"
39
40#define ECTX(x) ((struct errctx *)(x))
41
42void xar_register_errhandler(xar_t x, err_handler callback, void *usrctx) {
43	ECTX(&XAR(x)->errctx)->x = x;
44	ECTX(&XAR(x)->errctx)->usrctx = usrctx;
45	XAR(x)->ercallback = callback;
46	return;
47}
48
49xar_t xar_err_get_archive(xar_errctx_t ctx) {
50	return ECTX(ctx)->x;
51}
52
53xar_file_t xar_err_get_file(xar_errctx_t ctx) {
54	return ECTX(ctx)->file;
55}
56
57void  xar_err_set_file(xar_t x, xar_file_t f) {
58	XAR(x)->errctx.file = f;
59	return;
60}
61
62const char *xar_err_get_string(xar_errctx_t ctx) {
63	return ECTX(ctx)->str;
64}
65
66void xar_err_set_string(xar_t x, const char *str) {
67	XAR(x)->errctx.str = strdup(str); // this leaks right now, but it's safer than the alternative
68	return;
69}
70
71void xar_err_set_formatted_string(xar_t x, const char *format, ...) {
72	va_list arg;
73	char *msg;
74	va_start(arg, format);
75	vasprintf(&msg, format, arg);
76	va_end(arg);
77	xar_err_set_string(x, msg);
78	free(msg);
79}
80
81
82int xar_err_get_errno(xar_errctx_t ctx) {
83	return ECTX(ctx)->saved_errno;
84}
85
86void  xar_err_set_errno(xar_t x, int e) {
87	XAR(x)->errctx.saved_errno = e;
88	return;
89}
90
91void xar_err_new(xar_t x) {
92	memset(&XAR(x)->errctx, 0, sizeof(struct errctx));
93	XAR(x)->errctx.saved_errno = errno;
94	return;
95}
96
97int32_t xar_err_callback(xar_t x, int32_t sev, int32_t err) {
98	if( XAR(x)->ercallback )
99		return XAR(x)->ercallback(sev, err, &XAR(x)->errctx, ECTX(&XAR(x)->errctx)->usrctx);
100	return 0;
101}
102