122 lines
3.7 KiB
C
122 lines
3.7 KiB
C
/*
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opj_includes.h"
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/* ==========================================================
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Utility functions
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==========================================================*/
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#ifndef _WIN32
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static char*
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i2a(unsigned i, char *a, unsigned r) {
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if (i/r > 0) a = i2a(i/r,a,r);
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*a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];
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return a+1;
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}
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/**
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Transforms integer i into an ascii string and stores the result in a;
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string is encoded in the base indicated by r.
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@param i Number to be converted
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@param a String result
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@param r Base of value; must be in the range 2 - 36
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@return Returns a
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*/
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static char *
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_itoa(int i, char *a, int r) {
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r = ((r < 2) || (r > 36)) ? 10 : r;
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if(i < 0) {
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*a = '-';
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*i2a(-i, a+1, r) = 0;
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}
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else *i2a(i, a, r) = 0;
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return a;
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}
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#endif /* !_WIN32 */
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/* ----------------------------------------------------------------------- */
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opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context) {
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if(cinfo) {
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opj_event_mgr_t *previous = cinfo->event_mgr;
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cinfo->event_mgr = event_mgr;
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cinfo->client_data = context;
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return previous;
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}
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return NULL;
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}
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bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...) {
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#define MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
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opj_msg_callback msg_handler = NULL;
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opj_event_mgr_t *event_mgr = cinfo->event_mgr;
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if(event_mgr != NULL) {
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switch(event_type) {
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case EVT_ERROR:
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msg_handler = event_mgr->error_handler;
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break;
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case EVT_WARNING:
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msg_handler = event_mgr->warning_handler;
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break;
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case EVT_INFO:
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msg_handler = event_mgr->info_handler;
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break;
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default:
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break;
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}
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if(msg_handler == NULL) {
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return false;
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}
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} else {
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return false;
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}
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if ((fmt != NULL) && (event_mgr != NULL)) {
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va_list arg;
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int str_length/*, i, j*/; /* UniPG */
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char message[MSG_SIZE];
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memset(message, 0, MSG_SIZE);
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/* initialize the optional parameter list */
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va_start(arg, fmt);
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/* check the length of the format string */
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str_length = (strlen(fmt) > MSG_SIZE) ? MSG_SIZE : strlen(fmt);
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/* parse the format string and put the result in 'message' */
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vsprintf(message, fmt, arg); /* UniPG */
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/* deinitialize the optional parameter list */
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va_end(arg);
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/* output the message to the user program */
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msg_handler(message, cinfo->client_data);
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}
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return true;
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}
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