| 1 | /* Convert string representation of a number into an intmax_t value.
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| 2 |
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| 3 | Copyright (C) 1999, 2001, 2002, 2003, 2004, 2006 Free Software
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| 4 | 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 19 |
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| 20 | /* Written by Paul Eggert. */
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| 21 |
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| 22 | #include <config.h>
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| 23 |
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| 24 | /* Verify interface. */
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| 25 | #include <inttypes.h>
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| 26 |
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| 27 | #include <stdlib.h>
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| 28 |
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| 29 | #include "verify.h"
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| 30 |
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| 31 | #ifdef UNSIGNED
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| 32 | # ifndef HAVE_DECL_STRTOULL
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| 33 | "this configure-time declaration test was not run"
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| 34 | # endif
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| 35 | # if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG_INT
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| 36 | unsigned long long int strtoull (char const *, char **, int);
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| 37 | # endif
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| 38 |
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| 39 | #else
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| 40 |
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| 41 | # ifndef HAVE_DECL_STRTOLL
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| 42 | "this configure-time declaration test was not run"
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| 43 | # endif
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| 44 | # if !HAVE_DECL_STRTOLL && HAVE_LONG_LONG_INT
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| 45 | long long int strtoll (char const *, char **, int);
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| 46 | # endif
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| 47 | #endif
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| 48 |
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| 49 | #ifdef UNSIGNED
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| 50 | # define Have_long_long HAVE_UNSIGNED_LONG_LONG_INT
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| 51 | # define Int uintmax_t
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| 52 | # define Unsigned unsigned
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| 53 | # define strtoimax strtoumax
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| 54 | # define strtol strtoul
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| 55 | # define strtoll strtoull
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| 56 | #else
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| 57 | # define Have_long_long HAVE_LONG_LONG_INT
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| 58 | # define Int intmax_t
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| 59 | # define Unsigned
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| 60 | #endif
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| 61 |
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| 62 | Int
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| 63 | strtoimax (char const *ptr, char **endptr, int base)
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| 64 | {
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| 65 | #if Have_long_long
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| 66 | verify (sizeof (Int) == sizeof (Unsigned long int)
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| 67 | || sizeof (Int) == sizeof (Unsigned long long int));
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| 68 |
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| 69 | if (sizeof (Int) != sizeof (Unsigned long int))
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| 70 | return strtoll (ptr, endptr, base);
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| 71 | #else
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| 72 | verify (sizeof (Int) == sizeof (Unsigned long int));
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| 73 | #endif
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| 74 |
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| 75 | return strtol (ptr, endptr, base);
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| 76 | }
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