Add 2bsd-diff 2.11, 2.11BSD diff utility. It can process large

files with less memory.  GNU Diff often can not work with files
larger than 33% of datasize (from limit) due to memory exhaustion.

PR:		ports/50097
Submitted by:	risner@stdio.com

1 files changed, 37 insertions, 0 deletions

diff --git a/textproc/2bsd-diff/files/patch-diff.h b/textproc/2bsd-diff/files/patch-diff.h
new file mode 100644
index 000000000000..31670f3f50f9
--- /dev/null
+++ b/textproc/2bsd-diff/files/patch-diff.h
@@ -0,0 +1,37 @@
+--- diff.h.orig	Thu Aug 29 06:44:35 1985
++++ diff.h	Wed Mar 19 01:35:49 2003
+@@ -5,10 +5,11 @@
+  */
+ 
+ #include <stdio.h>
++#include <stdlib.h>
+ #include <ctype.h>
+ #include <sys/param.h>
+ #include <sys/stat.h>
+-#include <sys/dir.h>
++#include <dirent.h>
+ #include <signal.h>
+ 
+ /*
+@@ -61,7 +62,7 @@
+  */
+ int	status;
+ int	anychange;
+-char	*tempfile;		/* used when comparing against std input */
++char	tempfile[MAXPATHLEN];	/* used when comparing against std input */
+ 
+ /*
+  * Variables for diffdir.
+@@ -77,9 +78,9 @@
+ char	*file1, *file2, *efile1, *efile2;
+ struct	stat stb1, stb2;
+ 
+-char	*malloc(), *talloc(), *ralloc();
++char	*talloc(), *ralloc();
+ char	*savestr(), *splice(), *splicen();
+-char	*mktemp(), *copytemp(), *rindex();
+-int	done();
++char	*copytemp();
++sig_t	done();
+ 
+ extern	char diffh[], diff[], pr[];