add libc building to agbcc.

1 files changed, 46 insertions, 0 deletions

diff --git a/libc/stdlib/putenv.c b/libc/stdlib/putenv.c
new file mode 100644
index 0000000..07bb14b
--- /dev/null
+++ b/libc/stdlib/putenv.c
@@ -0,0 +1,46 @@
+/* This file may have been modified by DJ Delorie (Jan 1991).  If so,
+** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
+** Rochester NH, 03867-2954, USA.
+*/
+
+/*-
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+int
+_DEFUN (putenv, (str),
+	_CONST char *str)
+{
+  register char *p, *equal;
+  int rval;
+
+  if (!(p = strdup (str)))
+    return 1;
+  if (!(equal = index (p, '=')))
+    {
+      (void) free (p);
+      return 1;
+    }
+  *equal = '\0';
+  rval = setenv (p, equal + 1, 1);
+  (void) free (p);
+  return rval;
+}