X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtol.h;h=354fb6b3723340dd60a458c64e4e2a09d43d10b3;hb=26bdd04d86ccc508b201e82e706acc820ff3130a;hp=baea032db0ec32bde0f58d6a4cff79fb67a62c21;hpb=5b08577168f0343751bcec977335dac4eaa45949;p=gnulib.git diff --git a/lib/xstrtol.h b/lib/xstrtol.h index baea032db..354fb6b37 100644 --- a/lib/xstrtol.h +++ b/lib/xstrtol.h @@ -1,41 +1,59 @@ -#ifndef _xstrtol_h_ -#define _xstrtol_h_ 1 +/* A more useful interface to strtol. -#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 + Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006 + Free Software Foundation, Inc. -#undef PARAMS -#if defined (__STDC__) && __STDC__ -# define PARAMS(Args) Args -#else -# define PARAMS(Args) () -#endif + 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifndef XSTRTOL_H_ +# define XSTRTOL_H_ 1 + +# include "exitfail.h" + +# 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 -strtol_error - __xstrtol PARAMS ((const char *s, char **ptr, int base, - __unsigned long int *val, const char *valid_suffixes)); +# 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) -#define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \ +# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \ do \ { \ switch ((Err)) \ { \ - case LONGINT_OK: \ + default: \ abort (); \ \ case LONGINT_INVALID: \ @@ -44,23 +62,23 @@ strtol_error break; \ \ case LONGINT_INVALID_SUFFIX_CHAR: \ - error ((Exit_code), 0, "invalid character following %s `%s'", \ + case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW: \ + error ((Exit_code), 0, "invalid character following %s in `%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",\ + 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_FATAL_ERROR(Str, Argument_type_string, Err) \ + _STRTOL_ERROR (exit_failure, Str, Argument_type_string, Err) -#define STRTOL_FAIL_WARN(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_ */