150276Speter/**************************************************************************** 276726Speter * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Thomas E. Dickey <dickey@clark.net> 1998 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter/* 3450276Speter * getenv_num.c -- obtain a number from the environment 3550276Speter */ 3650276Speter 3750276Speter#include <curses.priv.h> 3850276Speter 3976726SpeterMODULE_ID("$Id: getenv_num.c,v 1.3 2000/12/10 02:55:07 tom Exp $") 4050276Speter 4176726SpeterNCURSES_EXPORT(int) 4250276Speter_nc_getenv_num(const char *name) 4350276Speter{ 4476726Speter char *dst = 0; 4576726Speter char *src = getenv(name); 4676726Speter long value; 4750276Speter 4876726Speter if ((src == 0) 4976726Speter || (value = strtol(src, &dst, 0)) < 0 5076726Speter || (dst == src) 5176726Speter || (*dst != '\0') 5276726Speter || (int) value < value) 5376726Speter value = -1; 5450276Speter 5576726Speter return (int) value; 5650276Speter} 57