[Mono-bugs] [Bug 75018][Wis] Changed - Report 'file' is a binary file instead of a source code file

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Changed by bmaurer at users.sf.net.

http://bugzilla.ximian.com/show_bug.cgi?id=75018

--- shadow/75018	2005-05-21 12:54:34.000000000 -0400
+++ shadow/75018.tmp.29053	2005-05-21 13:08:59.000000000 -0400
@@ -1,14 +1,14 @@
 Bug#: 75018
 Product: Mono: Compilers
 Version: 1.1
-OS: 
+OS: unknown
 OS Details: 
 Status: NEW   
 Resolution: 
-Severity: 
+Severity: Unknown
 Priority: Wishlist
 Component: C#
 AssignedTo: mono-bugs at ximian.com                            
 ReportedBy: bmaurer at users.sf.net               
 QAContact: mono-bugs at ximian.com
 TargetMilestone: ---
@@ -32,6 +32,17 @@
 
 Rather than
 
 mcs foo.cs
 
 Not sure how this would be detected though.
+
+------- Additional Comments From bmaurer at users.sf.net  2005-05-21 13:08 -------
+One really easy way to detect this is to read the first N bytes and
+see if any of them contain the null byte. Assuming the file is random,
+if we read the first 4 kb of the file, the chance that it would escape
+this test is
+
+(255/256)^(4*1024)=0.000000109
+
+It also looks like all .exe files will have a \0 in their first few
+bytes, so they would all be detected.