diff options
Diffstat (limited to 'crypto/kerberosIV/lib/roken/setenv.c')
-rw-r--r-- | crypto/kerberosIV/lib/roken/setenv.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/roken/setenv.c b/crypto/kerberosIV/lib/roken/setenv.c new file mode 100644 index 0000000..c83591f --- /dev/null +++ b/crypto/kerberosIV/lib/roken/setenv.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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 Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: setenv.c,v 1.8 1997/05/02 14:29:32 assar Exp $"); +#endif + +#include "roken.h" + +#include <stdlib.h> +#include <string.h> + +/* + * This is the easy way out, use putenv to implement setenv. We might + * leak some memory but that is ok since we are usally about to exec + * anyway. + */ + +int +setenv(const char *var, const char *val, int rewrite) +{ + char *t; + + if (!rewrite && getenv(var) != 0) + return 0; + + asprintf (&t, "%s=%s", var, val); + if (t == NULL) + return -1; + + if (putenv(t) == 0) + return 0; + else + return -1; +} |