X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fftruncate.c;h=c062fe80d81f533d04d6589dfb9c864161db2779;hb=d33e27b00b65fc12a046ca1f1bdb17bc5c1d1585;hp=4f6aaa99349e83b6059d79bd9620236d46e97fc4;hpb=cdfc8b0fd4b9a7be4d0bcf2b2342deb24fcb1eca;p=gnulib.git

diff --git a/lib/ftruncate.c b/lib/ftruncate.c
index 4f6aaa993..c062fe80d 100644
--- a/lib/ftruncate.c
+++ b/lib/ftruncate.c
@@ -1,15 +1,8 @@
 /* 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
+#if HAVE_CONFIG_H
+# include <config.h>
 #endif
 
 #include <sys/types.h>
@@ -18,26 +11,24 @@
 #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>
-#include <unistd.h>
+#  include <sys/stat.h>
+#  include <errno.h>
+#  if HAVE_UNISTD_H
+#   include <unistd.h>
+#  endif
 
 int
-ftruncate (fd, length)
-     int fd;
-     off_t length;
+ftruncate (int fd, off_t length)
 {
   struct flock fl;
   struct stat filebuf;
@@ -76,33 +67,26 @@ 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
 
 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 */