1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
9 * Copyright (c) 2012, CS Systemes d'Information, France
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include "opj_includes.h"
35
36 /* ==========================================================
37 Utility functions
38 ==========================================================*/
39
40 #ifdef OPJ_CODE_NOT_USED
41 #ifndef _WIN32
42 static char*
i2a(unsigned i,char * a,unsigned r)43 i2a(unsigned i, char *a, unsigned r)
44 {
45 if (i / r > 0) {
46 a = i2a(i / r, a, r);
47 }
48 *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i % r];
49 return a + 1;
50 }
51
52 /**
53 Transforms integer i into an ascii string and stores the result in a;
54 string is encoded in the base indicated by r.
55 @param i Number to be converted
56 @param a String result
57 @param r Base of value; must be in the range 2 - 36
58 @return Returns a
59 */
60 static char *
_itoa(int i,char * a,int r)61 _itoa(int i, char *a, int r)
62 {
63 r = ((r < 2) || (r > 36)) ? 10 : r;
64 if (i < 0) {
65 *a = '-';
66 *i2a(-i, a + 1, r) = 0;
67 } else {
68 *i2a(i, a, r) = 0;
69 }
70 return a;
71 }
72
73 #endif /* !_WIN32 */
74 #endif
75
76 /* ----------------------------------------------------------------------- */
77 /**
78 * Default callback function.
79 * Do nothing.
80 */
opj_default_callback(const char * msg,void * client_data)81 static void opj_default_callback(const char *msg, void *client_data)
82 {
83 OPJ_ARG_NOT_USED(msg);
84 OPJ_ARG_NOT_USED(client_data);
85 }
86
87 /* ----------------------------------------------------------------------- */
88
89
90 /* ----------------------------------------------------------------------- */
opj_event_msg(opj_event_mgr_t * p_event_mgr,OPJ_INT32 event_type,const char * fmt,...)91 OPJ_BOOL opj_event_msg(opj_event_mgr_t* p_event_mgr, OPJ_INT32 event_type,
92 const char *fmt, ...)
93 {
94 #define OPJ_MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
95 opj_msg_callback msg_handler = 00;
96 void * l_data = 00;
97
98 if (p_event_mgr != 00) {
99 switch (event_type) {
100 case EVT_ERROR:
101 msg_handler = p_event_mgr->error_handler;
102 l_data = p_event_mgr->m_error_data;
103 break;
104 case EVT_WARNING:
105 msg_handler = p_event_mgr->warning_handler;
106 l_data = p_event_mgr->m_warning_data;
107 break;
108 case EVT_INFO:
109 msg_handler = p_event_mgr->info_handler;
110 l_data = p_event_mgr->m_info_data;
111 break;
112 default:
113 break;
114 }
115 if (msg_handler == 00) {
116 return OPJ_FALSE;
117 }
118 } else {
119 return OPJ_FALSE;
120 }
121
122 if ((fmt != 00) && (p_event_mgr != 00)) {
123 va_list arg;
124 char message[OPJ_MSG_SIZE];
125 memset(message, 0, OPJ_MSG_SIZE);
126 /* initialize the optional parameter list */
127 va_start(arg, fmt);
128 /* parse the format string and put the result in 'message' */
129 vsnprintf(message, OPJ_MSG_SIZE, fmt, arg);
130 /* force zero termination for Windows _vsnprintf() of old MSVC */
131 message[OPJ_MSG_SIZE - 1] = '\0';
132 /* deinitialize the optional parameter list */
133 va_end(arg);
134
135 /* output the message to the user program */
136 msg_handler(message, l_data);
137 }
138
139 return OPJ_TRUE;
140 }
141
opj_set_default_event_handler(opj_event_mgr_t * p_manager)142 void opj_set_default_event_handler(opj_event_mgr_t * p_manager)
143 {
144 p_manager->m_error_data = 00;
145 p_manager->m_warning_data = 00;
146 p_manager->m_info_data = 00;
147 p_manager->error_handler = opj_default_callback;
148 p_manager->info_handler = opj_default_callback;
149 p_manager->warning_handler = opj_default_callback;
150 }
151
152