parse_bytes.c revision 120945
1263348Sjmmv/* 2263348Sjmmv * Copyright (c) 1999 Kungliga Tekniska H�gskolan 3266074Sjmmv * (Royal Institute of Technology, Stockholm, Sweden). 4263348Sjmmv * All rights reserved. 5263348Sjmmv * 6263348Sjmmv * Redistribution and use in source and binary forms, with or without 7263348Sjmmv * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifdef HAVE_CONFIG_H 35#include <config.h> 36RCSID("$Id: parse_bytes.c,v 1.4 2003/03/07 15:51:53 lha Exp $"); 37#endif 38 39#include <parse_units.h> 40#include "parse_bytes.h" 41 42static struct units bytes_units[] = { 43 { "gigabyte", 1024 * 1024 * 1024 }, 44 { "gbyte", 1024 * 1024 * 1024 }, 45 { "GB", 1024 * 1024 * 1024 }, 46 { "megabyte", 1024 * 1024 }, 47 { "mbyte", 1024 * 1024 }, 48 { "MB", 1024 * 1024 }, 49 { "kilobyte", 1024 }, 50 { "KB", 1024 }, 51 { "byte", 1 }, 52 { NULL, 0 } 53}; 54 55static struct units bytes_short_units[] = { 56 { "GB", 1024 * 1024 * 1024 }, 57 { "MB", 1024 * 1024 }, 58 { "KB", 1024 }, 59 { NULL, 0 } 60}; 61 62int 63parse_bytes (const char *s, const char *def_unit) 64{ 65 return parse_units (s, bytes_units, def_unit); 66} 67 68int 69unparse_bytes (int t, char *s, size_t len) 70{ 71 return unparse_units (t, bytes_units, s, len); 72} 73 74int 75unparse_bytes_short (int t, char *s, size_t len) 76{ 77 return unparse_units_approx (t, bytes_short_units, s, len); 78} 79