/* Skipping input from a FILE stream.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2009 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
#include "freadahead.h"
#include "freadptr.h"
+#include "stdio-impl.h"
+
/* Increment the in-memory pointer. INCREMENT must be at most the buffer size
returned by freadptr().
This is very cheap (no system calls). */
freadptrinc (FILE *fp, size_t increment)
{
/* Keep this code in sync with freadptr! */
-#if defined _IO_ferror_unlocked || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Linux libc5 */
+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
fp->_IO_read_ptr += increment;
-#elif defined __sferror /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
- fp->_p += increment;
- fp->_r -= increment;
+#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+ fp_->_p += increment;
+ fp_->_r -= increment;
#elif defined __EMX__ /* emx+gcc */
fp->_ptr += increment;
fp->_rcount -= increment;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
-# if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */
-# define fp_ ((struct { unsigned char *_ptr; \
- unsigned char *_base; \
- unsigned char *_end; \
- long _cnt; \
- int _file; \
- unsigned int _flag; \
- } *) fp)
fp_->_ptr += increment;
fp_->_cnt -= increment;
-# else
-# if defined _SCO_DS /* OpenServer */
-# define _ptr __ptr
-# define _cnt __cnt
-# endif
- fp->_ptr += increment;
- fp->_cnt -= increment;
-# endif
#elif defined __UCLIBC__ /* uClibc */
# ifdef __STDIO_BUFFERS
fp->__bufpos += increment;
# endif
#elif defined __QNX__ /* QNX */
fp->_Next += increment;
+#elif defined __MINT__ /* Atari FreeMiNT */
+ fp->__bufp += increment;
+#elif defined SLOW_BUT_NO_HACKS /* users can define this */
#else
#error "Please port gnulib freadseek.c to your platform! Look at the definition of getc, getc_unlocked on your system, then report this to bug-gnulib."
#endif