New upstream version 1.8

[debian/gzip] / lib / fseeko.c

diff --git a/lib/fseeko.c b/lib/fseeko.c
index 42cd642854f11b4d00ad180c48a28a0ae541c115..4cdb1f66dfc34d42cf00d778c931fdb8ff927a3f 100644 (file)
--- a/lib/fseeko.c
+++ b/lib/fseeko.c
@@ -1,5 +1,5 @@
 /* An fseeko() function that, together with fflush(), is POSIX compliant.
-   Copyright (C) 2007-2013 Free Software Foundation, Inc.
+   Copyright (C) 2007-2016 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -19,7 +19,7 @@
 /* Specification.  */
 #include <stdio.h>
 
-/* Get off_t and lseek.  */
+/* Get off_t, lseek, _POSIX_VERSION.  */
 #include <unistd.h>
 
 #include "stdio-impl.h"
@@ -51,7 +51,8 @@ fseeko (FILE *fp, off_t offset, int whence)
   if (fp->_IO_read_end == fp->_IO_read_ptr
       && fp->_IO_write_ptr == fp->_IO_write_base
       && fp->_IO_save_base == NULL)
-#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */
+#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
+  /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Android */
 # if defined __SL64 && defined __SCLE /* Cygwin */
   if ((fp->_flags & __SL64) == 0)
     {
@@ -99,8 +100,14 @@ fseeko (FILE *fp, off_t offset, int whence)
 #elif defined EPLAN9                /* Plan9 */
   if (fp->rp == fp->buf
       && fp->wp == fp->buf)
+#elif FUNC_FFLUSH_STDIN < 0 && 200809 <= _POSIX_VERSION
+  /* Cross-compiling to some other system advertising conformance to
+     POSIX.1-2008 or later.  Assume fseeko and fflush work as advertised.
+     If this assumption is incorrect, please report the bug to
+     bug-gnulib.  */
+  if (0)
 #else
-  #error "Please port gnulib fseeko.c to your platform! Look at the code in fpurge.c, then report this to bug-gnulib."
+  #error "Please port gnulib fseeko.c to your platform! Look at the code in fseeko.c, then report this to bug-gnulib."
 #endif
     {
       /* We get here when an fflush() call immediately preceded this one (or
@@ -109,7 +116,8 @@ fseeko (FILE *fp, off_t offset, int whence)
       off_t pos = lseek (fileno (fp), offset, whence);
       if (pos == -1)
         {
-#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */
+#if defined __sferror || defined __DragonFly__ || defined __ANDROID__
+          /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Android */
           fp_->_flags &= ~__SOFF;
 #endif
           return -1;
@@ -118,8 +126,9 @@ fseeko (FILE *fp, off_t offset, int whence)
 #if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
       fp->_flags &= ~_IO_EOF_SEEN;
       fp->_offset = pos;
-#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */
-# if defined __CYGWIN__
+#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
+      /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Android */
+# if defined __CYGWIN__ || (defined __NetBSD__ && __NetBSD_Version__ >= 600000000)
       /* fp_->_offset is typed as an integer.  */
       fp_->_offset = pos;
 # else