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annotate lib/xstrtol.h @ 4397:c6450308f123

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Assume C89, so PARAMS isn't needed.
author Paul Eggert <eggert@cs.ucla.edu>
date Wed, 18 Jun 2003 05:52:19 +0000
parents 98b37cab8b76
children 33e8f958b651
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1 /* A more useful interface to strtol.
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2
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3 Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003 Free
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4 Software Foundation, Inc.
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5
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6 This program is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; if not, write to the Free Software Foundation,
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18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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19
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20 #ifndef XSTRTOL_H_
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21 # define XSTRTOL_H_ 1
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22
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23 /* Get uintmax_t. */
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24 # if HAVE_INTTYPES_H
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25 # include <inttypes.h>
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26 # else
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27 # if HAVE_STDINT_H
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28 # include <stdint.h>
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29 # endif
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30 # endif
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31
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32 # ifndef _STRTOL_ERROR
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33 enum strtol_error
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34 {
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35 LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
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36 };
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37 typedef enum strtol_error strtol_error;
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38 # endif
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39
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40 # define _DECLARE_XSTRTOL(name, type) \
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41 strtol_error name (const char *, char **, int, type *, const char *);
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42 _DECLARE_XSTRTOL (xstrtol, long int)
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43 _DECLARE_XSTRTOL (xstrtoul, unsigned long int)
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44 _DECLARE_XSTRTOL (xstrtoimax, intmax_t)
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45 _DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
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46
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47 # define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \
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48 do \
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49 { \
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50 switch ((Err)) \
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51 { \
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52 case LONGINT_OK: \
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53 abort (); \
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54 \
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55 case LONGINT_INVALID: \
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56 error ((Exit_code), 0, "invalid %s `%s'", \
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57 (Argument_type_string), (Str)); \
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58 break; \
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59 \
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60 case LONGINT_INVALID_SUFFIX_CHAR: \
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61 error ((Exit_code), 0, "invalid character following %s in `%s'", \
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62 (Argument_type_string), (Str)); \
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63 break; \
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64 \
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65 case LONGINT_OVERFLOW: \
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66 error ((Exit_code), 0, "%s `%s' too large", \
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67 (Argument_type_string), (Str)); \
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68 break; \
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69 } \
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70 } \
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71 while (0)
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72
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73 # define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \
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74 _STRTOL_ERROR (2, Str, Argument_type_string, Err)
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75
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76 # define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \
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77 _STRTOL_ERROR (0, Str, Argument_type_string, Err)
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78
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79 #endif /* not XSTRTOL_H_ */