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WavPackHelperFunctions.m
51 lines (44 loc) · 1.92 KB
/
WavPackHelperFunctions.m
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/*
* $Id$
*
* Copyright (C) 2005, 2006 Stephen F. Booth <me@sbooth.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import "WavPackHelperFunctions.h"
void
truncateAPEComments(WavpackContext *wpc)
{
char *tagName = NULL;
int len, i;
if(WavpackGetMode(wpc) & MODE_VALID_TAG) {
for(i = 0; i < WavpackGetNumTagItems(wpc); ++i) {
// Get the tag's name
len = WavpackGetTagItemIndexed(wpc, i, NULL, 0);
tagName = (char *)calloc(len + 1, sizeof(char));
if(NULL == tagName) {
@throw [NSException exceptionWithName:@"MallocException" reason:NSLocalizedStringFromTable(@"Unable to allocate memory.", @"Errors", @"")
userInfo:[NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:[NSNumber numberWithInt:errno], [NSString stringWithCString:strerror(errno) encoding:NSASCIIStringEncoding], nil] forKeys:[NSArray arrayWithObjects:@"errorCode", @"errorString", nil]]];
}
len = WavpackGetTagItemIndexed(wpc, i, tagName, len + 1);
if(0 == WavpackDeleteTagItem(wpc, tagName)) {
free(tagName);
@throw [NSException exceptionWithName:@"WavPackException" reason:NSLocalizedStringFromTable(@"Unable to delete WavPack tag.", @"Errors", @"") userInfo:nil];
}
--i;
free(tagName);
}
}
}