X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffseeko.c;h=ec5a6aacddb4417d2f2c3510c3bb5ace64599e1c;hb=fa1db0dd22768f09a507674a30beb5b8a87bb35f;hp=ab05709b3c4532b3ed5b0a62ac3cc737d38f72b2;hpb=341111f654709cd0295607a4abbe721495c77e90;p=gnulib.git diff --git a/lib/fseeko.c b/lib/fseeko.c index ab05709b3..ec5a6aacd 100644 --- a/lib/fseeko.c +++ b/lib/fseeko.c @@ -1,5 +1,5 @@ /* An fseeko() function that, together with fflush(), is POSIX compliant. - Copyright (C) 2007-2012 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 @@ -19,7 +19,7 @@ /* Specification. */ #include -/* Get off_t and lseek. */ +/* Get off_t, lseek, _POSIX_VERSION. */ #include #include "stdio-impl.h" @@ -31,6 +31,14 @@ fseeko (FILE *fp, off_t offset, int whence) # undef fseek # define fseeko fseek #endif +#if _GL_WINDOWS_64_BIT_OFF_T +# undef fseeko +# if HAVE__FSEEKI64 /* msvc, mingw64 */ +# define fseeko _fseeki64 +# else /* mingw */ +# define fseeko fseeko64 +# endif +#endif { #if LSEEK_PIPE_BROKEN /* mingw gives bogus answers rather than failure on non-seekable files. */ @@ -43,7 +51,7 @@ 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, MacOS X, Cygwin */ +#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ # if defined __SL64 && defined __SCLE /* Cygwin */ if ((fp->_flags & __SL64) == 0) { @@ -91,8 +99,14 @@ 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 @@ -101,7 +115,7 @@ 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, MacOS X, Cygwin */ +#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ fp_->_flags &= ~__SOFF; #endif return -1; @@ -110,7 +124,7 @@ 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, MacOS X, Cygwin */ +#elif 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;