X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtol.h;h=ad134ab8b4dfc2eaf6d6f4096ed26f6b46caba1e;hb=1500d77252e6158b8e421de52f60057b0feedab8;hp=55766aee0217576bfebcc344989dc31529a1299b;hpb=f7bbcd312d3ef402fbfce197c22f3f0118fa81c5;p=gnulib.git diff --git a/lib/xstrtol.h b/lib/xstrtol.h index 55766aee0..ad134ab8b 100644 --- a/lib/xstrtol.h +++ b/lib/xstrtol.h @@ -1,65 +1,73 @@ +/* A more useful interface to strtol. + + Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2011 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 -# if HAVE_INTTYPES_H -# include /* for uintmax_t */ -# endif - -# ifndef PARAMS -# if defined PROTOTYPES || (defined __STDC__ && __STDC__) -# define PARAMS(Args) Args -# else -# define PARAMS(Args) () -# endif -# endif +# 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 PARAMS ((const char *s, char **ptr, int base, \ - type *val, const char *valid_suffixes)); + 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) -# 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: \ - error ((Exit_code), 0, "%s `%s' too large", \ - (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) +#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. */ + +void _Noreturn xstrtol_fatal (enum strtol_error, + int, char, struct option const *, + char const *); #endif /* not XSTRTOL_H_ */