X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtol.h;h=5354c872b11748e894218841215da79fa910b6fd;hb=e7086a9a301ffcfef17edbcba9e7c0312c33f7a8;hp=baea032db0ec32bde0f58d6a4cff79fb67a62c21;hpb=5b08577168f0343751bcec977335dac4eaa45949;p=gnulib.git diff --git a/lib/xstrtol.h b/lib/xstrtol.h index baea032db..5354c872b 100644 --- a/lib/xstrtol.h +++ b/lib/xstrtol.h @@ -1,66 +1,73 @@ -#ifndef _xstrtol_h_ -#define _xstrtol_h_ 1 - -#if STRING_TO_UNSIGNED -# define __xstrtol xstrtoul -# define __strtol strtoul -# define __unsigned unsigned -# define __ZLONG_MAX ULONG_MAX -#else -# define __xstrtol xstrtol -# define __strtol strtol -# define __unsigned /* empty */ -# define __ZLONG_MAX LONG_MAX -#endif +/* A more useful interface to strtol. -#undef PARAMS -#if defined (__STDC__) && __STDC__ -# define PARAMS(Args) Args -#else -# define PARAMS(Args) () -#endif + Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2013 Free Software + Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ +#ifndef XSTRTOL_H_ +# define XSTRTOL_H_ 1 + +# include +# include + +# ifndef _STRTOL_ERROR enum strtol_error { - LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW + LONGINT_OK = 0, + + /* These two values can be ORed together, to indicate that both + errors occurred. */ + LONGINT_OVERFLOW = 1, + LONGINT_INVALID_SUFFIX_CHAR = 2, + + LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR + | LONGINT_OVERFLOW), + LONGINT_INVALID = 4 }; typedef enum strtol_error strtol_error; +# endif + +# define _DECLARE_XSTRTOL(name, type) \ + strtol_error name (const char *, char **, int, type *, const char *); +_DECLARE_XSTRTOL (xstrtol, long int) +_DECLARE_XSTRTOL (xstrtoul, unsigned long int) +_DECLARE_XSTRTOL (xstrtoimax, intmax_t) +_DECLARE_XSTRTOL (xstrtoumax, uintmax_t) + +#if HAVE_LONG_LONG_INT +_DECLARE_XSTRTOL (xstrtoll, long long int) +_DECLARE_XSTRTOL (xstrtoull, unsigned long long int) +#endif + +/* Report an error for an invalid integer in an option argument. + + ERR is the error code returned by one of the xstrto* functions. + + Use OPT_IDX to decide whether to print the short option string "C" + or "-C" or a long option string derived from LONG_OPTION. OPT_IDX + is -2 if the short option "C" was used, without any leading "-"; it + is -1 if the short option "-C" was used; otherwise it is an index + into LONG_OPTIONS, which should have a name preceded by two '-' + characters. + + ARG is the option-argument containing the integer. + + After reporting an error, exit with a failure status. */ + +_Noreturn void xstrtol_fatal (enum strtol_error, + int, char, struct option const *, + char const *); -strtol_error - __xstrtol PARAMS ((const char *s, char **ptr, int base, - __unsigned long int *val, const char *valid_suffixes)); - -#define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \ - do \ - { \ - switch ((Err)) \ - { \ - case LONGINT_OK: \ - abort (); \ - \ - case LONGINT_INVALID: \ - error ((Exit_code), 0, "invalid %s `%s'", \ - (Argument_type_string), (Str)); \ - break; \ - \ - case LONGINT_INVALID_SUFFIX_CHAR: \ - error ((Exit_code), 0, "invalid character following %s `%s'", \ - (Argument_type_string), (Str)); \ - break; \ - \ - case LONGINT_OVERFLOW: \ - /* FIXME: make this message dependent on STRING_TO_UNSIGNED */\ - error ((Exit_code), 0, "%s `%s' larger than maximum long int",\ - (Argument_type_string), (Str)); \ - break; \ - } \ - } \ - while (0) - -#define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \ - _STRTOL_ERROR (2, Str, Argument_type_string, Err) - -#define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \ - _STRTOL_ERROR (0, Str, Argument_type_string, Err) - -#endif /* _xstrtol_h_ */ +#endif /* not XSTRTOL_H_ */