diff options
Diffstat (limited to 'Build/source/libs/ncurses/ncurses/tinfo/getenv_num.c')
-rw-r--r-- | Build/source/libs/ncurses/ncurses/tinfo/getenv_num.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Build/source/libs/ncurses/ncurses/tinfo/getenv_num.c b/Build/source/libs/ncurses/ncurses/tinfo/getenv_num.c new file mode 100644 index 00000000000..a90cc08d297 --- /dev/null +++ b/Build/source/libs/ncurses/ncurses/tinfo/getenv_num.c @@ -0,0 +1,56 @@ +/**************************************************************************** + * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Thomas E. Dickey <dickey@clark.net> 1998 * + ****************************************************************************/ + +/* + * getenv_num.c -- obtain a number from the environment + */ + +#include <curses.priv.h> + +MODULE_ID("$Id: getenv_num.c,v 1.3 2000/12/10 02:55:07 tom Exp $") + +NCURSES_EXPORT(int) +_nc_getenv_num(const char *name) +{ + char *dst = 0; + char *src = getenv(name); + long value; + + if ((src == 0) + || (value = strtol(src, &dst, 0)) < 0 + || (dst == src) + || (*dst != '\0') + || (int) value < value) + value = -1; + + return (int) value; +} |