1/* A more useful interface to strtol. 2 3 Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006, 2007 4 Free Software Foundation, Inc. 5 6 This program is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19#ifndef XSTRTOL_H_ 20# define XSTRTOL_H_ 1 21 22# include <getopt.h> 23# include <inttypes.h> 24 25# ifndef _STRTOL_ERROR 26enum strtol_error 27 { 28 LONGINT_OK = 0, 29 30 /* These two values can be ORed together, to indicate that both 31 errors occurred. */ 32 LONGINT_OVERFLOW = 1, 33 LONGINT_INVALID_SUFFIX_CHAR = 2, 34 35 LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR 36 | LONGINT_OVERFLOW), 37 LONGINT_INVALID = 4 38 }; 39typedef enum strtol_error strtol_error; 40# endif 41 42# define _DECLARE_XSTRTOL(name, type) \ 43 strtol_error name (const char *, char **, int, type *, const char *); 44_DECLARE_XSTRTOL (xstrtol, long int) 45_DECLARE_XSTRTOL (xstrtoul, unsigned long int) 46_DECLARE_XSTRTOL (xstrtoimax, intmax_t) 47_DECLARE_XSTRTOL (xstrtoumax, uintmax_t) 48 49#ifndef __attribute__ 50# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__ 51# define __attribute__(x) 52# endif 53#endif 54 55#ifndef ATTRIBUTE_NORETURN 56# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) 57#endif 58 59/* Report an error for an invalid integer in an option argument. 60 61 ERR is the error code returned by one of the xstrto* functions. 62 63 Use OPT_IDX to decide whether to print the short option string "C" 64 or "-C" or a long option string derived from LONG_OPTION. OPT_IDX 65 is -2 if the short option "C" was used, without any leading "-"; it 66 is -1 if the short option "-C" was used; otherwise it is an index 67 into LONG_OPTIONS, which should have a name preceded by two '-' 68 characters. 69 70 ARG is the option-argument containing the integer. 71 72 After reporting an error, exit with a failure status. */ 73 74void xstrtol_fatal (enum strtol_error, 75 int, char, struct option const *, 76 char const *) ATTRIBUTE_NORETURN; 77 78#endif /* not XSTRTOL_H_ */ 79