1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/setenv.c b/third_party/heimdal/lib/roken/setenv.c
new file mode 100644
index 00000000000..b4dbefef26f
--- /dev/null
+++ b/third_party/heimdal/lib/roken/setenv.c
@@ -0,0 +1,74 @@
+/*
+ * 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. 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.
+ */
+
+#include <config.h>
+
+#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.
+ */
+
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+setenv(const char *var, const char *val, int rewrite)
+{
+#ifndef _WIN32
+    char *t = NULL;
+
+    if (!rewrite && getenv(var) != 0)
+	return 0;
+
+    if (asprintf (&t, "%s=%s", var, val) < 0 || t == NULL)
+	return -1;
+
+    if (putenv(t) == 0)
+	return 0;
+    else
+	return -1;
+#else  /* Win32 */
+    char dummy[8];
+
+    if (!rewrite && GetEnvironmentVariable(var, dummy, sizeof(dummy)/sizeof(char)) != 0)
+	return 0;
+
+    if (SetEnvironmentVariable(var, val) == 0)
+	return -1;
+    else
+	return 0;
+#endif
+}