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Imported Upstream version 0.72.3

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TANIGUCHI Takaki
2012-03-06 11:08:15 +09:00
parent 294f8623c4
commit 4cebc5af7d
813 changed files with 6705 additions and 3158 deletions
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35
rs02-common.c
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@@ -1,5 +1,5 @@
/* dvdisaster: Additional error correction for optical media.
* Copyright (C) 2004-2009 Carsten Gnoerlich.
* Copyright (C) 2004-2011 Carsten Gnoerlich.
* Project home page: http://www.dvdisaster.com
* Email: carsten@dvdisaster.com -or- cgnoerlich@fsfe.org
*
@@ -241,6 +241,39 @@ RS02Layout *CalcRS02Layout(gint64 data_sectors, int requested_roots)
lay->crcSectors = (sizeof(guint32)*lay->dataSectors+2047)/2048;
lay->protectedSectors = lay->dataSectors + 2 + lay->crcSectors; /* two sectors for header */
/* See if user wants to pick a certain redundancy */
if(!Closure->guiMode && !requested_roots && Closure->redundancy)
{ int len = strlen(Closure->redundancy);
switch(Closure->redundancy[len-1])
{ case 'r': /* pick number of roots */
{ char buf[len];
strncpy(buf, Closure->redundancy, len-1);
requested_roots = atoi(buf);
break;
}
case '%': /* pick redundancy directly */
{ char buf[len];
int percent;
strncpy(buf, Closure->redundancy, len-1);
percent = atoi(buf);
for(requested_roots = 7; requested_roots < 171; requested_roots++)
{ double redundancy = ((double)requested_roots*100.0)/((double)(GF_FIELDMAX-requested_roots));
if(redundancy >= percent)
break;
}
if(requested_roots >170)
requested_roots = 0;
break;
}
}
}
/* Calculate starting value for the redundancy */
if(requested_roots > 0)