1 /****************************************************************************
2 * Copyright 2018,2020 Thomas E. Dickey *
3 * Copyright 1998-2012,2013 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
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14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Thomas E. Dickey <dickey@clark.net> 1998 *
32 ****************************************************************************/
35 * getenv_num.c -- obtain a number from the environment
38 #include <curses.priv.h>
40 MODULE_ID("$Id: getenv_num.c,v 1.8 2020/02/02 23:34:34 tom Exp $")
43 _nc_getenv_num(const char *name)
46 char *src = getenv(name);
50 || (value = strtol(src, &dst, 0)) < 0
53 || (int) value < value)
60 _nc_setenv_num(const char *name, int value)
62 if (name != 0 && value >= 0) {
65 _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%d", value);
66 setenv(name, buffer, 1);
69 _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%s=%d", name, value);
70 if ((s = strdup(buffer)) != 0)
73 #error expected setenv/putenv functions