From 61f65e4dfa95e21130573b74e4cef282bd410e91 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 19:41:01 +0200 Subject: Adding upstream version 3.3a. Signed-off-by: Daniel Baumann --- compat/setenv.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 compat/setenv.c (limited to 'compat/setenv.c') diff --git a/compat/setenv.c b/compat/setenv.c new file mode 100644 index 0000000..d9235bc --- /dev/null +++ b/compat/setenv.c @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2010 Dagobert Michelsen + * Copyright (c) 2010 Nicholas Marriott + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include + +#include +#include + +#include "compat.h" + +int +setenv(const char *name, const char *value, __unused int overwrite) +{ + char *newval; + + xasprintf(&newval, "%s=%s", name, value); + return (putenv(newval)); +} + +int +unsetenv(const char *name) +{ + char **envptr; + int namelen; + + namelen = strlen(name); + for (envptr = environ; *envptr != NULL; envptr++) { + if (strncmp(name, *envptr, namelen) == 0 && + ((*envptr)[namelen] == '=' || (*envptr)[namelen] == '\0')) + break; + } + for (; *envptr != NULL; envptr++) + *envptr = *(envptr + 1); + return (0); +} -- cgit v1.2.3