gnulib: lib/freading.c annotate

annotate lib/freading.c @ 40231:9b3c79fdfe0b

strtod: fix clash with strtold Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817). * lib/strtod.c (compute_minus_zero, minus_zero): Simplify by remving the macro / external variable, and having just a function. User changed. This avoids the need for an external variable that might clash.

author	Paul Eggert <eggert@cs.ucla.edu>
date	Mon, 11 Mar 2019 16:40:29 -0700
parents	b06060465f09
children

rev	line source
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	1 /* Retrieve information about a FILE stream.
40057 b06060465f09 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 19557 diff changeset	2 Copyright (C) 2007-2019 Free Software Foundation, Inc.
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	3
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9280 diff changeset	4 This program is free software: you can redistribute it and/or modify
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	5 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9280 diff changeset	6 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9280 diff changeset	7 (at your option) any later version.
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	8
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	9 This program is distributed in the hope that it will be useful,
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	10 but WITHOUT ANY WARRANTY; without even the implied warranty of
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	12 GNU General Public License for more details.
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	13
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9280 diff changeset	14 You should have received a copy of the GNU General Public License
19190 9759915b2aca all: prefer https: URLs Paul Eggert <eggert@cs.ucla.edu> parents: 18974 diff changeset	15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	16
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	17 #include <config.h>
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	18
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	19 /* Specification. */
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	20 #include "freading.h"
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	21
9980 2c1ba629f5d5 New private include file lib/stdio-impl.h. Bruno Haible <bruno@clisp.org> parents: 9928 diff changeset	22 #include "stdio-impl.h"
2c1ba629f5d5 New private include file lib/stdio-impl.h. Bruno Haible <bruno@clisp.org> parents: 9928 diff changeset	23
9337 8df9b5f6609e Enable the use of __freading for glibc >= 2.7. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	24 /* Don't use glibc's __freading function in glibc < 2.7, see
19192 d86e08b1f555 all: Replace many more http URLs by https URLs. Update stale URLs. Bruno Haible <bruno@clisp.org> parents: 19190 diff changeset	25 <https://sourceware.org/bugzilla/show_bug.cgi?id=4359> */
13885 87a95303747f Port to uClibc. Bruno Haible <bruno@clisp.org> parents: 13293 diff changeset	26 #if !(HAVE___FREADING && (!defined __GLIBC__ \|\| defined __UCLIBC__ \|\| __GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)))
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	27
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	28 bool
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	29 freading (FILE *fp)
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	30 {
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	31 /* Most systems provide FILE as a struct and the necessary bitmask in
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	32 <stdio.h>, because they need it for implementing getc() and putc() as
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	33 fast macros. */
19557 3511f4e8ea85 fflush: be more paranoid about libio.h change Paul Eggert <eggert@cs.ucla.edu> parents: 19550 diff changeset	34 # if defined _IO_EOF_SEEN \|\| defined _IO_ftrylockfile \|\| __GNU_LIBRARY__ == 1
3511f4e8ea85 fflush: be more paranoid about libio.h change Paul Eggert <eggert@cs.ucla.edu> parents: 19550 diff changeset	35 /* GNU libc, BeOS, Haiku, Linux libc5 */
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	36 return ((fp->_flags & _IO_NO_WRITES) != 0
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11239 diff changeset	37 \|\| ((fp->_flags & (_IO_NO_READS \| _IO_CURRENTLY_PUTTING)) == 0
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11239 diff changeset	38 && fp->_IO_read_base != NULL));
17902 4578584def8a Fix FILE struct compatibility with Android API level >= 21 Kevin Cernekee <cernekee@google.com> parents: 17848 diff changeset	39 # elif defined __sferror \|\| defined __DragonFly__ \|\| defined __ANDROID__
18655 c9e4105be915 stdioext: Port to Minix 3.2 and newer. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	40 /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
9981 e3d6988a9347 Add tentative support for DragonFly BSD. Bruno Haible <bruno@clisp.org> parents: 9980 diff changeset	41 return (fp_->_flags & __SRD) != 0;
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	42 # elif defined __EMX__ /* emx+gcc */
9881 e21211210418 Port the extended stdio functions to emx+gcc. Bruno Haible <bruno@clisp.org> parents: 9876 diff changeset	43 return (fp->_flags & _IOREAD) != 0;
15485 20a2699b8a90 stdioext: Add support for Minix. Bruno Haible <bruno@clisp.org> parents: 14380 diff changeset	44 # elif defined __minix /* Minix */
20a2699b8a90 stdioext: Add support for Minix. Bruno Haible <bruno@clisp.org> parents: 14380 diff changeset	45 return (fp->_flags & _IOREADING) != 0;
18974 6862081ffc74 stdioext: Port to OpenVMS. John Malmberg <wb8tyw@qsl.net> parents: 18655 diff changeset	46 # elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	47 # if defined __sun /* Solaris */
18552 1c1353d294b3 stdioext: Port to native Windows with MSVC. Bruno Haible <bruno@clisp.org> parents: 18189 diff changeset	48 return (fp_->_flag & _IOREAD) != 0 && (fp_->_flag & _IOWRT) == 0;
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	49 # else
18552 1c1353d294b3 stdioext: Port to native Windows with MSVC. Bruno Haible <bruno@clisp.org> parents: 18189 diff changeset	50 return (fp_->_flag & _IOREAD) != 0;
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	51 # endif
5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	52 # elif defined __UCLIBC__ /* uClibc */
8926 1d4c80b053f0 Add support for uClibc 0.9.29. Bruno Haible <bruno@clisp.org> parents: 8752 diff changeset	53 return (fp->__modeflags & (__FLAG_READONLY \| __FLAG_READING)) != 0;
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	54 # elif defined __QNX__ /* QNX */
9456 b3c8ee11ddfa Fix port to QNX. Bruno Haible <bruno@clisp.org> parents: 9337 diff changeset	55 return ((fp->_Mode & 0x2 /* _MOPENW */) == 0
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11239 diff changeset	56 \|\| (fp->_Mode & 0x1000 /* _MREAD */) != 0);
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	57 # elif defined __MINT__ /* Atari FreeMiNT */
11239 bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	58 if (!fp->__mode.__write)
bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	59 return 1;
bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	60 if (!fp->__mode.__read)
bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	61 return 0;
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	62 # ifdef _IO_CURRENTLY_GETTING /* Flag added on 2009-02-28 */
11239 bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	63 return (fp->__flags & _IO_CURRENTLY_GETTING) != 0;
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	64 # else
11239 bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	65 return (fp->__buffer < fp->__get_limit /\|\| fp->__bufp == fp->__put_limit ??/);
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	66 # endif
16344 ecfc57537d99 stdioext: Add tentative support for Plan9. Bruno Haible <bruno@clisp.org> parents: 16201 diff changeset	67 # elif defined EPLAN9 /* Plan9 */
ecfc57537d99 stdioext: Add tentative support for Plan9. Bruno Haible <bruno@clisp.org> parents: 16201 diff changeset	68 if (fp->state == 0 /* CLOSED / \|\| fp->state == 4 / WR */)
ecfc57537d99 stdioext: Add tentative support for Plan9. Bruno Haible <bruno@clisp.org> parents: 16201 diff changeset	69 return 0;
ecfc57537d99 stdioext: Add tentative support for Plan9. Bruno Haible <bruno@clisp.org> parents: 16201 diff changeset	70 return (fp->state == 3 /* RD */ && (fp->bufl == 0 \|\| fp->rp < fp->wp));
14380 5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	71 # else
5cee7a3cd6ca maint: adjust cpp indentation for my modules, as well Eric Blake <eblake@redhat.com> parents: 14079 diff changeset	72 # error "Please port gnulib freading.c to your platform!"
11239 bfd0fd7f4171 More support for FreeMiNT. Bruno Haible <bruno@clisp.org> parents: 11236 diff changeset	73 # endif
8720 367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	74 }
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	75
367787d55c9c Implement freading and fwriting. Eric Blake <ebb9@byu.net> parents: diff changeset	76 #endif

Mercurial > gnulib

annotate lib/freading.c @ 40231:9b3c79fdfe0b