1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
|
/* $Id: $ */
/* Copyright (C) 1997 Sverre Hvammen Johansen,
* Department of Informatics, University of Oslo.
*
* 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; version 2.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "text.h"
/******************************************************************************
INTEGER PROCEDURE GETINT (text attributt) */
long
__rtgetint (t)
__txtvp t;
{
char *s;
int sign;
long i,
j,
n = 0;
s = t->obj->string;
i = t->start - 1;
j = i + t->length;
skipblanke;
if (!more)
__rerror ("Getint: Can't find any integer item");
sign = fortegn;
if (sign)
i++;
else
sign = 1;
skipblanke;
if (!more)
__rerror ("Getint: Can't find any integer item");
if (!digit)
__rerror ("Getint: Can't find any integer item");
for (; more && digit; i++)
{
if (n > MAX_INT / 10)
goto forstort;
if (n == MAX_INT / 10)
if ((s[i] - '0') > MAX_INT % 10)
goto forstort;
n = 10 * n + s[i] - '0';
}
t->pos = i - t->start + 2;
return (sign * n);
forstort:
__rwarning ("Getint: To big integer item");
return (sign * n);
}
|