X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/c957a83bde4df2e2d3d1ed0963656856b48ef0a0..224c70764cab4e0e39a26aaf3ad3016552f62f55:/stdlib/putenv-fbsd.c diff --git a/stdlib/putenv-fbsd.c b/stdlib/putenv-fbsd.c new file mode 100644 index 0000000..03cdb16 --- /dev/null +++ b/stdlib/putenv-fbsd.c @@ -0,0 +1,103 @@ +/*- + * Copyright (c) 1988, 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)putenv.c 8.2 (Berkeley) 3/27/94"; +#endif /* LIBC_SCCS and not lint */ +#include +__FBSDID("$FreeBSD: src/lib/libc/stdlib/putenv.c,v 1.2 2002/03/22 21:53:10 obrien Exp $"); + +#include +#include +#include +#include +#include +#include +#include + +extern malloc_zone_t *__zone0; +extern void __malloc_check_env_name(const char *); + +__private_extern__ int __setenv(const char *, const char *, int, int, char ***, malloc_zone_t *); + +#ifndef BUILDING_VARIANT +/* + * _putenvp -- SPI using an arbitrary pointer to string array (the array must + * have been created with malloc) and an env state, created by _allocenvstate(). + * Returns ptr to value associated with name, if any, else NULL. + */ +int +_putenvp(char *str, char ***envp, void *state) +{ + /* insure __zone0 is set up */ + if (!__zone0) { + __zone0 = malloc_create_zone(0, 0); + if (!__zone0) { + errno = ENOMEM; + return (-1); + } + } + return (__setenv(str, NULL, 1, 0, envp, (state ? (malloc_zone_t *)state : __zone0))); +} +#endif /* BUILDING_VARIANT */ + +int +putenv(str) + char *str; +{ +#if __DARWIN_UNIX03 + if (str == NULL || *str == 0 || index(str, '=') == NULL) { + errno = EINVAL; + return (-1); + } +#else /* !__DARWIN_UNIX03 */ + if (index(str, '=') == NULL) + return (-1); +#endif /* __DARWIN_UNIX03 */ + /* insure __zone0 is set up before calling __malloc_check_env_name */ + if (!__zone0) { + __zone0 = malloc_create_zone(0, 0); + if (!__zone0) { + errno = ENOMEM; + return (-1); + } + } + __malloc_check_env_name(str); /* see if we are changing a malloc environment variable */ + return (__setenv(str, NULL, 1, +#if __DARWIN_UNIX03 + 0, +#else /* !__DARWIN_UNIX03 */ + -1, +#endif /* __DARWIN_UNIX03 */ + _NSGetEnviron(), __zone0)); +}