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 	if (i/r > 0) a = i2a(i/r,a,r);
45 	*a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];
46 	return a+1;
47 }
48 
49 /**
50  Transforms integer i into an ascii string and stores the result in a;
51  string is encoded in the base indicated by r.
52  @param i Number to be converted
53  @param a String result
54  @param r Base of value; must be in the range 2 - 36
55  @return Returns a
56 */
57 static char *
_itoa(int i,char * a,int r)58 _itoa(int i, char *a, int r) {
59 	r = ((r < 2) || (r > 36)) ? 10 : r;
60 	if(i < 0) {
61 		*a = '-';
62 		*i2a(-i, a+1, r) = 0;
63 	}
64 	else *i2a(i, a, r) = 0;
65 	return a;
66 }
67 
68 #endif /* !_WIN32 */
69 #endif
70 
71 /* ----------------------------------------------------------------------- */
72 /**
73  * Default callback function.
74  * Do nothing.
75  */
opj_default_callback(const char * msg,void * client_data)76 static void opj_default_callback (const char *msg, void *client_data)
77 {
78     OPJ_ARG_NOT_USED(msg);
79     OPJ_ARG_NOT_USED(client_data);
80 }
81 
82 /* ----------------------------------------------------------------------- */
83 
84 
85 /* ----------------------------------------------------------------------- */
opj_event_msg(opj_event_mgr_t * p_event_mgr,OPJ_INT32 event_type,const char * fmt,...)86 OPJ_BOOL opj_event_msg(opj_event_mgr_t* p_event_mgr, OPJ_INT32 event_type, const char *fmt, ...) {
87 #define OPJ_MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
88 	opj_msg_callback msg_handler = 00;
89 	void * l_data = 00;
90 
91 	if(p_event_mgr != 00) {
92 		switch(event_type) {
93 			case EVT_ERROR:
94 				msg_handler = p_event_mgr->error_handler;
95 				l_data = p_event_mgr->m_error_data;
96 				break;
97 			case EVT_WARNING:
98 				msg_handler = p_event_mgr->warning_handler;
99 				l_data = p_event_mgr->m_warning_data;
100 				break;
101 			case EVT_INFO:
102 				msg_handler = p_event_mgr->info_handler;
103 				l_data = p_event_mgr->m_info_data;
104 				break;
105 			default:
106 				break;
107 		}
108 		if(msg_handler == 00) {
109 			return OPJ_FALSE;
110 		}
111 	} else {
112 		return OPJ_FALSE;
113 	}
114 
115 	if ((fmt != 00) && (p_event_mgr != 00)) {
116 		va_list arg;
117 		size_t str_length/*, i, j*/; /* UniPG */
118 		char message[OPJ_MSG_SIZE];
119 		memset(message, 0, OPJ_MSG_SIZE);
120 		/* initialize the optional parameter list */
121 		va_start(arg, fmt);
122 		/* check the length of the format string */
123 		str_length = (strlen(fmt) > OPJ_MSG_SIZE) ? OPJ_MSG_SIZE : strlen(fmt);
124         (void)str_length;
125 		/* parse the format string and put the result in 'message' */
126 		vsnprintf(message, OPJ_MSG_SIZE, fmt, arg); /* UniPG */
127 		/* deinitialize the optional parameter list */
128 		va_end(arg);
129 
130 		/* output the message to the user program */
131 		msg_handler(message, l_data);
132 	}
133 
134 	return OPJ_TRUE;
135 }
136 
opj_set_default_event_handler(opj_event_mgr_t * p_manager)137 void opj_set_default_event_handler(opj_event_mgr_t * p_manager)
138 {
139 	p_manager->m_error_data = 00;
140 	p_manager->m_warning_data = 00;
141 	p_manager->m_info_data = 00;
142 	p_manager->error_handler = opj_default_callback;
143 	p_manager->info_handler = opj_default_callback;
144 	p_manager->warning_handler = opj_default_callback;
145 }
146 
147