83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
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/* A more useful interface to strtol.
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Copyright 1995, 1996, 1998, 1999, 2001 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef XSTRTOL_H_
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# define XSTRTOL_H_ 1
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# if HAVE_INTTYPES_H
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# include <inttypes.h> /* for uintmax_t */
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# endif
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# ifndef PARAMS
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# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
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# define PARAMS(Args) Args
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# else
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# define PARAMS(Args) ()
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# endif
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# endif
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# ifndef _STRTOL_ERROR
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enum strtol_error
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{
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LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
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};
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typedef enum strtol_error strtol_error;
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# endif
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# define _DECLARE_XSTRTOL(name, type) \
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strtol_error \
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name PARAMS ((const char *s, char **ptr, int base, \
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type *val, const char *valid_suffixes));
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_DECLARE_XSTRTOL (xstrtol, long int)
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_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
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_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
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_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
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# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \
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do \
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{ \
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switch ((Err)) \
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{ \
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case LONGINT_OK: \
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abort (); \
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\
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case LONGINT_INVALID: \
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error ((Exit_code), 0, "invalid %s `%s'", \
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(Argument_type_string), (Str)); \
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break; \
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\
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case LONGINT_INVALID_SUFFIX_CHAR: \
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error ((Exit_code), 0, "invalid character following %s in `%s'", \
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(Argument_type_string), (Str)); \
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break; \
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\
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case LONGINT_OVERFLOW: \
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error ((Exit_code), 0, "%s `%s' too large", \
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(Argument_type_string), (Str)); \
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break; \
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} \
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} \
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while (0)
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# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \
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_STRTOL_ERROR (2, Str, Argument_type_string, Err)
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# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \
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_STRTOL_ERROR (0, Str, Argument_type_string, Err)
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#endif /* not XSTRTOL_H_ */
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