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Use Stream extension to ensure read operations return the requested number of bytes (unless EOF arrives first).

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This commit is contained in:
Natalia Portillo
2022-11-14 09:43:16 +00:00
parent f90cc6593f
commit 0eb589d785
178 changed files with 862 additions and 780 deletions
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18
Aaru.Images/ByteAddressable/SegaMegaDrive.cs
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@@ -93,7 +93,7 @@ public class SegaMegaDrive : IByteAddressableImage
var buffer = new byte[4];
stream.Position = 256;
stream.Read(buffer, 0, 4);
stream.EnsureRead(buffer, 0, 4);
// SEGA
if(buffer[0] == 0x53 &&
@@ -107,7 +107,7 @@ public class SegaMegaDrive : IByteAddressableImage
buffer[1] == 0x41)
{
stream.Position = stream.Length / 2 + 256;
stream.Read(buffer, 0, 2);
stream.EnsureRead(buffer, 0, 2);
// SG
if(buffer[0] == 0x53 &&
@@ -116,7 +116,7 @@ public class SegaMegaDrive : IByteAddressableImage
}
stream.Position = 512 + 128;
stream.Read(buffer, 0, 4);
stream.EnsureRead(buffer, 0, 4);
// EA
if(buffer[0] != 0x45 ||
@@ -124,7 +124,7 @@ public class SegaMegaDrive : IByteAddressableImage
return false;
stream.Position = 8832;
stream.Read(buffer, 0, 2);
stream.EnsureRead(buffer, 0, 2);
// SG
return buffer[0] == 0x53 && buffer[1] == 0x47;
@@ -145,7 +145,7 @@ public class SegaMegaDrive : IByteAddressableImage
var buffer = new byte[4];
stream.Position = 256;
stream.Read(buffer, 0, 4);
stream.EnsureRead(buffer, 0, 4);
// SEGA
bool found = buffer[0] == 0x53 && buffer[1] == 0x45 && buffer[2] == 0x47 && buffer[3] == 0x41;
@@ -155,7 +155,7 @@ public class SegaMegaDrive : IByteAddressableImage
buffer[1] == 0x41)
{
stream.Position = stream.Length / 2 + 256;
stream.Read(buffer, 0, 2);
stream.EnsureRead(buffer, 0, 2);
// SG
if(buffer[0] == 0x53 &&
@@ -167,14 +167,14 @@ public class SegaMegaDrive : IByteAddressableImage
}
stream.Position = 512 + 128;
stream.Read(buffer, 0, 4);
stream.EnsureRead(buffer, 0, 4);
// EA
if(buffer[0] == 0x45 &&
buffer[1] == 0x41)
{
stream.Position = 8832;
stream.Read(buffer, 0, 2);
stream.EnsureRead(buffer, 0, 2);
// SG
if(buffer[0] == 0x53 &&
@@ -190,7 +190,7 @@ public class SegaMegaDrive : IByteAddressableImage
_data = new byte[_smd ? stream.Length - 512 : stream.Length];
stream.Position = _smd ? 512 : 0;
stream.Read(_data, 0, _data.Length);
stream.EnsureRead(_data, 0, _data.Length);
// Interleaves every 16KiB
if(_smd)