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Allow appending on writable images, and correct some incorrect values.

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This commit is contained in:
Natalia Portillo
2018-01-18 23:18:56 +00:00
parent 55abfd0ba7
commit d35f9fa829
27 changed files with 321 additions and 162 deletions
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37
DiscImageChef.DiscImages/Parallels.cs
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@@ -348,7 +348,13 @@ namespace DiscImageChef.DiscImages
public IEnumerable<MediaTagType> SupportedMediaTags => new MediaTagType[] { };
public IEnumerable<SectorTagType> SupportedSectorTags => new SectorTagType[] { };
public IEnumerable<MediaType> SupportedMediaTypes => new[] {MediaType.Unknown, MediaType.GENERIC_HDD};
public IEnumerable<MediaType> SupportedMediaTypes =>
new[]
{
MediaType.Unknown, MediaType.GENERIC_HDD, MediaType.FlashDrive, MediaType.CompactFlash,
MediaType.CompactFlashType2, MediaType.PCCardTypeI, MediaType.PCCardTypeII, MediaType.PCCardTypeIII,
MediaType.PCCardTypeIV
};
// TODO: Add cluster size option
public IEnumerable<(string name, Type type, string description)> SupportedOptions =>
new (string name, Type type, string description)[] { };
@@ -380,7 +386,7 @@ namespace DiscImageChef.DiscImages
imageInfo = new ImageInfo {MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors};
try { writingStream = new FileStream(path, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None); }
try { writingStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); }
catch(IOException e)
{
ErrorMessage = $"Could not create new image file, exception {e.Message}";
@@ -525,6 +531,28 @@ namespace DiscImageChef.DiscImages
return false;
}
if(pHdr.cylinders == 0)
{
pHdr.cylinders = (uint)(imageInfo.Sectors / 16 / 63);
pHdr.heads = 16;
imageInfo.SectorsPerTrack = 63;
while(pHdr.cylinders == 0)
{
pHdr.heads--;
if(pHdr.heads == 0)
{
imageInfo.SectorsPerTrack--;
pHdr.heads = 16;
}
pHdr.cylinders = (uint)(imageInfo.Sectors / pHdr.heads / imageInfo.SectorsPerTrack);
if(pHdr.cylinders == 0 && pHdr.heads == 0 && imageInfo.SectorsPerTrack == 0) break;
}
}
byte[] hdr = new byte[Marshal.SizeOf(typeof(ParallelsHeader))];
IntPtr hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(ParallelsHeader)));
Marshal.StructureToPtr(pHdr, hdrPtr, true);
@@ -536,6 +564,11 @@ namespace DiscImageChef.DiscImages
for(long i = 0; i < bat.LongLength; i++) writingStream.Write(BitConverter.GetBytes(bat[i]), 0, 4);
writingStream.Flush();
writingStream.Close();
IsWriting = false;
ErrorMessage = "";
return true;
}