claunia/Mono.Fuse.NETStandard
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fix examples to work with NULL buffer on getting extended attributes

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This commit is contained in:
alhimik45
2020-08-29 16:29:06 +03:00
parent 91c4e1784d
commit 69e39dc188
3 changed files with 10 additions and 5 deletions
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11
example/HelloFS/HelloFS.cs
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@@ -166,10 +166,15 @@ namespace Mono.Fuse.NETStandard.Samples {
return 0; return 0;
_value = hello_attrs [name]; _value = hello_attrs [name];
} }
if (value.Length < _value.Length) {
return Errno.ERANGE; if (value != null)
{
if (value.Length < _value.Length) {
return Errno.ERANGE;
}
Array.Copy(_value, value, _value.Length);
} }
Array.Copy (_value, value, _value.Length);
bytesWritten = _value.Length; bytesWritten = _value.Length;
return 0; return 0;
} }

2
example/RedirectFS-FH/RedirectFS-FH.cs
View File

@@ -337,7 +337,7 @@ namespace Mono.Fuse.NETStandard.Samples {
protected override Errno OnGetPathExtendedAttribute (string path, string name, byte[] value, out int bytesWritten) protected override Errno OnGetPathExtendedAttribute (string path, string name, byte[] value, out int bytesWritten)
{ {
int r = bytesWritten = (int) Syscall.lgetxattr (basedir+path, name, value, (ulong) value.Length); int r = bytesWritten = (int) Syscall.lgetxattr (basedir+path, name, value, (ulong) (value?.Length ?? 0));
if (r == -1) if (r == -1)
return Stdlib.GetLastError (); return Stdlib.GetLastError ();
return 0; return 0;

2
example/RedirectFS/RedirectFS.cs
View File

@@ -284,7 +284,7 @@ namespace Mono.Fuse.NETStandard.Samples {
protected override Errno OnGetPathExtendedAttribute (string path, string name, byte[] value, out int bytesWritten) protected override Errno OnGetPathExtendedAttribute (string path, string name, byte[] value, out int bytesWritten)
{ {
int r = bytesWritten = (int) Syscall.lgetxattr (basedir+path, name, value, (ulong) value.Length); int r = bytesWritten = (int) Syscall.lgetxattr (basedir+path, name, value, (ulong) (value?.Length ?? 0));
if (r == -1) if (r == -1)
return Stdlib.GetLastError (); return Stdlib.GetLastError ();
return 0; return 0;