/* Flushing buffers of a FILE stream.
- Copyright (C) 2007-2010 Free Software Foundation, Inc.
+ Copyright (C) 2007-2018 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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
int
fpurge (FILE *fp)
{
-#if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7 */
+#if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7, musl libc */
__fpurge (fp);
/* The __fpurge function does not have a return value. */
return 0;
-#elif HAVE_FPURGE /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin 1.7 */
+#elif HAVE_FPURGE /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin 1.7 */
/* Call the system's fpurge function. */
# undef fpurge
extern int fpurge (FILE *);
# endif
int result = fpurge (fp);
-# if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+# if defined __sferror || defined __DragonFly__ || defined __ANDROID__
+ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
if (result == 0)
/* Correct the invariants that fpurge broke.
<stdio.h> on BSD systems says:
fp->_IO_save_base = NULL;
}
return 0;
-# elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+# elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
+ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
fp_->_p = fp_->_bf._base;
fp_->_r = 0;
fp_->_w = ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully buffered and not currently reading? */
fp->_wcount = 0;
fp->_ungetc_count = 0;
return 0;
-# elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
- fp->_ptr = fp->_base;
+# elif defined __minix /* Minix */
+ fp->_ptr = fp->_buf;
if (fp->_ptr != NULL)
- fp->_cnt = 0;
+ fp->_count = 0;
+ return 0;
+# elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */
+ fp_->_ptr = fp_->_base;
+ if (fp_->_ptr != NULL)
+ fp_->_cnt = 0;
return 0;
# elif defined __UCLIBC__ /* uClibc */
# ifdef __STDIO_BUFFERS
/* Nothing in the buffer, next putc is nontrivial. */
fp->__put_limit = fp->__buffer;
return 0;
+# elif defined EPLAN9 /* Plan9 */
+ fp->rp = fp->wp = fp->lp = fp->buf;
+ return 0;
# else
- #error "Please port gnulib fpurge.c to your platform! Look at the definitions of fflush, setvbuf and ungetc on your system, then report this to bug-gnulib."
+# error "Please port gnulib fpurge.c to your platform! Look at the definitions of fflush, setvbuf and ungetc on your system, then report this to bug-gnulib."
# endif
#endif