X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Ffflush.c;h=8ac5dea393ea1f2fdc6961662552b3e933231e32;hb=95fe2adf0246c33e549c499fdd8e10bfd3914ed5;hp=ead4875498e760bc572310d49d02131a1d902573;hpb=dc0ab95dbae38577efebe2283fc9b76e92ef4233;p=debian%2Fgzip diff --git a/lib/fflush.c b/lib/fflush.c index ead4875..8ac5dea 100644 --- a/lib/fflush.c +++ b/lib/fflush.c @@ -1,5 +1,5 @@ /* fflush.c -- allow flushing input streams - Copyright (C) 2007-2010 Free Software Foundation, Inc. + Copyright (C) 2007-2013 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 @@ -28,13 +28,15 @@ #include "stdio-impl.h" +#include "unused-parameter.h" + #undef fflush #if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ /* Clear the stream's ungetc buffer, preserving the value of ftello (fp). */ -static inline void +static void clear_ungetc_buffer_preserving_position (FILE *fp) { if (fp->_flags & _IO_IN_BACKUP) @@ -45,10 +47,10 @@ clear_ungetc_buffer_preserving_position (FILE *fp) #else /* Clear the stream's ungetc buffer. May modify the value of ftello (fp). */ -static inline void +static void clear_ungetc_buffer (FILE *fp) { -# if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ +# if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ if (HASUB (fp)) { fp_->_p += fp_->_r; @@ -60,7 +62,7 @@ clear_ungetc_buffer (FILE *fp) fp->_ungetc_count = 0; fp->_rcount = - fp->_rcount; } -# elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */ +# elif defined _IOERR /* Minix, AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */ /* Nothing to do. */ # else /* other implementations */ fseeko (fp, 0, SEEK_CUR); @@ -69,9 +71,11 @@ clear_ungetc_buffer (FILE *fp) #endif -#if (defined __sferror || defined __DragonFly__) && defined __SNPT /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ +#if ! (defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */) + +# if (defined __sferror || defined __DragonFly__) && defined __SNPT /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ -static inline int +static int disable_seek_optimization (FILE *fp) { int saved_flags = fp_->_flags & (__SOPT | __SNPT); @@ -79,22 +83,23 @@ disable_seek_optimization (FILE *fp) return saved_flags; } -static inline void +static void restore_seek_optimization (FILE *fp, int saved_flags) { fp_->_flags = (fp_->_flags & ~(__SOPT | __SNPT)) | saved_flags; } -#endif +# else -static inline void -update_fpos_cache (FILE *fp, off_t pos) +static void +update_fpos_cache (FILE *fp _GL_UNUSED_PARAMETER, + off_t pos _GL_UNUSED_PARAMETER) { -#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ -# if defined __CYGWIN__ +# if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ +# if defined __CYGWIN__ /* fp_->_offset is typed as an integer. */ fp_->_offset = pos; -# else +# else /* fp_->_offset is an fpos_t. */ /* Use a union, since on NetBSD, the compilation flags determine whether fpos_t is typedef'd to off_t or a struct containing a @@ -106,10 +111,12 @@ update_fpos_cache (FILE *fp, off_t pos) } u; u.o = pos; fp_->_offset = u.f; -# endif +# endif fp_->_flags |= __SOFF; -#endif +# endif } +# endif +#endif /* Flush all pending data on STREAM according to POSIX rules. Both output and seekable input streams are supported. */ @@ -188,7 +195,7 @@ rpl_fflush (FILE *stream) return result; } -# if (defined __sferror || defined __DragonFly__) && defined __SNPT /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ +# if (defined __sferror || defined __DragonFly__) && defined __SNPT /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ { /* Disable seek optimization for the next fseeko call. This tells the