diff options
Diffstat (limited to 'libc/stdlib/getenv.c')
| -rw-r--r-- | libc/stdlib/getenv.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/libc/stdlib/getenv.c b/libc/stdlib/getenv.c deleted file mode 100644 index 72367b3..0000000 --- a/libc/stdlib/getenv.c +++ /dev/null @@ -1,80 +0,0 @@ -/* $OpenBSD: getenv.c,v 1.8 2005/08/08 08:05:36 espie Exp $ */ -/* - * Copyright (c) 1987, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <stdlib.h> -#include <string.h> - -char *__findenv(const char *name, int *offset); - -/* - * __findenv -- - * Returns pointer to value associated with name, if any, else NULL. - * Sets offset to be the offset of the name/value combination in the - * environmental array, for use by setenv(3) and unsetenv(3). - * Explicitly removes '=' in argument name. - * - * This routine *should* be a static; don't use it. - */ -char * -__findenv(const char *name, int *offset) -{ - extern char **environ; - int len, i; - const char *np; - char **p, *cp; - - if (name == NULL || environ == NULL) - return (NULL); - for (np = name; *np && *np != '='; ++np) - ; - len = np - name; - for (p = environ; (cp = *p) != NULL; ++p) { - for (np = name, i = len; i && *cp; i--) - if (*cp++ != *np++) - break; - if (i == 0 && *cp++ == '=') { - *offset = p - environ; - return (cp); - } - } - return (NULL); -} - -/* - * getenv -- - * Returns ptr to value associated with name, if any, else NULL. - */ -char * -getenv(const char *name) -{ - int offset; - - return (__findenv(name, &offset)); -} |