Fix lseek on mingw.

[gnulib.git] / doc / functions / fseek.texi

diff --git a/doc/functions/fseek.texi b/doc/functions/fseek.texi
index 9cc677b..b66055d 100644 (file)
--- a/doc/functions/fseek.texi
+++ b/doc/functions/fseek.texi
@@ -4,10 +4,12 @@
 
 POSIX specification: @url{http://www.opengroup.org/susv3xsh/fseek.html}
 
-Gnulib module: ---
+Gnulib module: fseeko
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This function mistakenly succeeds on non-seekable files: mingw.
 @end itemize
 
 Portability problems not fixed by Gnulib:
@@ -15,4 +17,7 @@ Portability problems not fixed by Gnulib:
 @item
 On Windows platforms (excluding Cygwin), this function does not set @code{errno}
 upon failure.
+@item
+On platforms where @code{off_t} is a 32-bit type, @code{fseek} does not work
+correctly with files larger than 2 GB.  The fix is to use fseeko instead.
 @end itemize