gnulib: lib/i-ring.h annotate

annotate lib/i-ring.h @ 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
7639 1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	1 /* definitions for a simple ring buffer
40057 b06060465f09 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 19484 diff changeset	2 Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc.
7639 1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	3
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7639 diff changeset	4 This program is free software: you can redistribute it and/or modify
7639 1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.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: 7639 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: 7639 diff changeset	7 (at your option) any later version.
7639 1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	8
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	9 This program is distributed in the hope that it will be useful,
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	10 but WITHOUT ANY WARRANTY; without even the implied warranty of
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	12 GNU General Public License for more details.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	13
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: 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: 18626 diff changeset	15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
7639 1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	16
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	17 #include <stdbool.h>
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	18 #include "verify.h"
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	19
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	20 enum { I_RING_SIZE = 4 };
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	21 verify (1 <= I_RING_SIZE);
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	22
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	23 /* When ir_empty is true, the ring is empty.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	24 Otherwise, ir_data[B..F] are defined, where B..F is the contiguous
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	25 range of indices, modulo I_RING_SIZE, from back to front, inclusive.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	26 Undefined elements of ir_data are always set to ir_default_val.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	27 Popping from an empty ring aborts.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	28 Pushing onto a full ring returns the displaced value.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	29 An empty ring has F==B and ir_empty == true.
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	30 A ring with one entry still has F==B, but now ir_empty == false. */
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	31 struct I_ring
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	32 {
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	33 int ir_data[I_RING_SIZE];
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	34 int ir_default_val;
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	35 unsigned int ir_front;
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	36 unsigned int ir_back;
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	37 bool ir_empty;
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	38 };
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	39 typedef struct I_ring I_ring;
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	40
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	41 void i_ring_init (I_ring *ir, int ir_default_val);
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	42 int i_ring_push (I_ring *ir, int val);
1670d42131d7 Make fts (in FTS_CWDFD mode) more efficient by caching a few open Jim Meyering <jim@meyering.net> parents: diff changeset	43 int i_ring_pop (I_ring *ir);
16128 6beadb731202 mark functions with const and pure attributes Jim Meyering <meyering@redhat.com> parents: 14079 diff changeset	44 bool i_ring_empty (I_ring const *ir) _GL_ATTRIBUTE_PURE;

Mercurial > gnulib

annotate lib/i-ring.h @ 40231:9b3c79fdfe0b