1 files changed, 41 insertions, 0 deletions
diff --git a/libc/stdlib/getenv.c b/libc/stdlib/getenv.c
new file mode 100644
index 000000000..2daf03955
--- /dev/null
+++ b/libc/stdlib/getenv.c
@@ -0,0 +1,41 @@
+/* getenv.c for uClibc
+   Erik Andersen <andersen@codepoet.org>
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  
+   */
+
+#include <string.h>
+#include <unistd.h>
+
+/* IEEE Std 1003.1-2001 says getenv need not be thread safe, so 
+ * don't bother locking access to __environ */
+char *getenv(const char *var)
+{
+    int len;
+    char **ep;
+
+    if (!(ep=__environ))
+	return NULL;
+    len = strlen(var);
+    while(*ep) {
+	if (memcmp(var, *ep, len) == 0 && (*ep)[len] == '=') {
+	    return *ep + len + 1;
+	}
+	ep++;
+    }
+    return NULL;
+}
+