[Xsb-commits] CVS: XSB/docs/userman builtin.tex,1.37,1.38

[Terrance S. <ts...@us...>]

Update of /cvsroot/xsb/XSB/docs/userman
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv8504/userman

Modified Files:
	builtin.tex 
Log Message:

Changed portability note for file_truncate/2.


Index: builtin.tex
===================================================================
RCS file: /cvsroot/xsb/XSB/docs/userman/builtin.tex,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -r1.37 -r1.38
--- builtin.tex	24 Nov 2004 09:16:43 -0000	1.37
+++ builtin.tex	8 Mar 2005 19:55:41 -0000	1.38
@@ -595,12 +595,15 @@
     is chopped to have the size of {\tt Length} bytes. Upon successful
     completion {\tt Return} is set to zero.
 
-\portability This predicate is not defined on Windows unless compiled
-using Cygwin.
+\portability Under Windows (including Cygwin) {\tt file\_truncate/2}
+is implemented using {\tt \_chsize()}, while on Unix {\tt ftruncate()}
+is used.  There are minor semantic differences between these two
+system calls, which are reflected by the behavior of {\tt
+file\_truncate/2} on different platforms.
 
 \ouritem{tmpfile\_open(-Stream)}\index{\texttt{tmpfile\_open/1}}
-    Opens a temporary file with a unique filename. The file is deleted when
-    it is closed or when the program terminates.
+    Opens a temporary file with a unique filename. The file is deleted
+    when it is closed or when the program terminates.
 
 \end{description}