X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fftruncate.c;h=ff7d11b090a4f41760885dd15cbbd00e344c80fe;hb=b7285ef59198ab3a562df0c91c6b1c781620e45e;hp=58cd2bba97aac9ff2ea6b2f20073ca0b7346f235;hpb=209a9728f93b79de8bfe7afe6c78ce514e230c5b;p=gnulib.git

diff --git a/lib/ftruncate.c b/lib/ftruncate.c
index 58cd2bba9..ff7d11b09 100644
--- a/lib/ftruncate.c
+++ b/lib/ftruncate.c
@@ -1,16 +1,10 @@
 /* ftruncate emulations that work on some System V's.
    This file is in the public domain.  */
 
-#ifdef HAVE_CONFIG_H
-#if defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
-   using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
-   (which it would do because it found this file in $srcdir).  */
 #include <config.h>
-#else
-#include "config.h"
-#endif
-#endif
+
+/* Specification.  */
+#include <unistd.h>
 
 #include <sys/types.h>
 #include <fcntl.h>
@@ -18,28 +12,21 @@
 #ifdef F_CHSIZE
 
 int
-ftruncate (fd, length)
-     int fd;
-     off_t length;
+ftruncate (int fd, off_t length)
 {
   return fcntl (fd, F_CHSIZE, length);
 }
 
 #else /* not F_CHSIZE */
-#ifdef F_FREESP
+# ifdef F_FREESP
 
 /* By William Kucharski <kucharsk@netcom.com>.  */
 
-#include <sys/stat.h>
-#include <errno.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+#  include <sys/stat.h>
+#  include <errno.h>
 
 int
-ftruncate (fd, length)
-     int fd;
-     off_t length;
+ftruncate (int fd, off_t length)
 {
   struct flock fl;
   struct stat filebuf;
@@ -78,33 +65,26 @@ ftruncate (fd, length)
   return 0;
 }
 
-#else /* not F_CHSIZE nor F_FREESP */
-#ifdef HAVE_CHSIZE
+# else /* not F_CHSIZE nor F_FREESP */
+#  if HAVE_CHSIZE                      /* native Windows, e.g. mingw */
 
 int
-ftruncate (fd, length)
-     int fd;
-     off_t length;
+ftruncate (int fd, off_t length)
 {
   return chsize (fd, length);
 }
 
-#else /* not F_CHSIZE nor F_FREESP nor HAVE_CHSIZE */
+#  else /* not F_CHSIZE nor F_FREESP nor HAVE_CHSIZE */
 
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
+#   include <errno.h>
 
 int
-ftruncate (fd, length)
-     int fd;
-     off_t length;
+ftruncate (int fd, off_t length)
 {
   errno = EIO;
   return -1;
 }
 
-#endif /* not HAVE_CHSIZE */
-#endif /* not F_FREESP */
+#  endif /* not HAVE_CHSIZE */
+# endif /* not F_FREESP */
 #endif /* not F_CHSIZE */