kc3-lang/libbsd/include/bsd/libutil.h

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• Hash : e3979d1a
  Author :
  Date : 2018-05-20T19:22:16
  

  Update humanize_number() from FreeBSD
  
  Implements HN_IEC_PREFIXES.
  

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• include/bsd/libutil.h

• /*
   * Copyright (c) 1996  Peter Wemm <peter@FreeBSD.org>.
   * All rights reserved.
   * Copyright (c) 2002 Networks Associates Technology, Inc.
   * All rights reserved.
   *
   * Portions of this software were developed for the FreeBSD Project by
   * ThinkSec AS and NAI Labs, the Security Research Division of Network
   * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
   * ("CBOSS"), as part of the DARPA CHATS research program.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, is permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote
   *    products derived from this software without specific prior written
   *    permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * $FreeBSD: src/lib/libutil/libutil.h,v 1.47 2008/04/23 00:49:12 scf Exp $
   */
  
  #ifndef LIBBSD_LIBUTIL_H
  #define LIBBSD_LIBUTIL_H
  
  #ifdef LIBBSD_OVERLAY
  #include <sys/cdefs.h>
  #else
  #include <bsd/sys/cdefs.h>
  #endif
  #include <sys/types.h>
  #include <stdint.h>
  #include <stdio.h>
  
  struct pidfh;
  
  __BEGIN_DECLS
  int humanize_number(char *buf, size_t len, int64_t bytes,
      const char *suffix, int scale, int flags);
  int expand_number(const char *_buf, uint64_t *_num);
  
  int flopen(const char *_path, int _flags, ...);
  int flopenat(int dirfd, const char *path, int flags, ...);
  
  struct pidfh *pidfile_open(const char *path, mode_t mode, pid_t *pidptr);
  int pidfile_fileno(const struct pidfh *pfh);
  int pidfile_write(struct pidfh *pfh);
  int pidfile_close(struct pidfh *pfh);
  int pidfile_remove(struct pidfh *pfh);
  
  char   *fparseln(FILE *, size_t *, size_t *, const char[3], int);
  __END_DECLS
  
  /* Values for humanize_number(3)'s flags parameter. */
  #define HN_DECIMAL		0x01
  #define HN_NOSPACE		0x02
  #define HN_B			0x04
  #define HN_DIVISOR_1000		0x08
  #define HN_IEC_PREFIXES		0x10
  
  /* Values for humanize_number(3)'s scale parameter. */
  #define HN_GETSCALE		0x10
  #define HN_AUTOSCALE		0x20
  
  /*
   * fparseln() specific operation flags.
   */
  #define FPARSELN_UNESCESC	0x01
  #define FPARSELN_UNESCCONT	0x02
  #define FPARSELN_UNESCCOMM	0x04
  #define FPARSELN_UNESCREST	0x08
  #define FPARSELN_UNESCALL	0x0f
  
  #endif /* !LIBBSD_LIBUTIL_H */
  

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