* libc/argz: New directory.

	* libc/argz/*: New files.
	* libc/argz/argz_add.c: New file.
	* libc/argz/argz_add_sep.c: New file.
	* libc/argz/argz_append.c: New file.
	* libc/argz/argz_count.c: New file.
	* libc/argz/argz_create.c: New file.
	* libc/argz/argz_create_sep.c: New file.
	* libc/argz/argz_delete.c: New file.
	* libc/argz/argz_extract.c: New file.
	* libc/argz/argz_insert.c: New file.
	* libc/argz/argz_next.c: New file.
	* libc/argz/argz_replace.c: New file.
	* libc/argz/argz_stringify.c: New file.
	* libc/argz/buf_findstr.c: New file.
	* libc/argz/envz_add.c: New file.
	* libc/argz/envz_entry.c: New file.
	* libc/argz/envz_get.c: New file.
	* libc/argz/envz_merge.c: New file.
	* libc/argz/envz_remove.c: New file.
	* libc/argz/envz_strip.c: New file.
	* libc/include/argz.h: New file.
	* libc/include/envz.h: New file.
	* Makefile.am (LIBC_OBJECTLISTS): Add
	libc/argz/objectlist.awk.in.
	* libc/Makefile.am (SUBDIRS): Add argz.
	(SUBLIBS): Add argz/libargz.la.
	* libc/configure.in (AC_OUTPUT): Add argz/Makefile.
	* libc/include/errno.h: Add error_t typedef.

1 files changed, 40 insertions, 0 deletions

diff --git a/newlib/libc/argz/envz_get.c b/newlib/libc/argz/envz_get.c
new file mode 100644
index 0000000..dae51be
--- /dev/null
+++ b/newlib/libc/argz/envz_get.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * is freely granted, provided that this notice is preserved.
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <string.h>
+#include <stdlib.h>
+#include <envz.h>
+
+extern int buf_findstr(const char *str, char **buf, size_t *buf_len);
+
+char *
+envz_get (const char *envz, size_t envz_len, const char *name)
+{
+  const char *buf_ptr = envz;
+  size_t buf_len = envz_len;
+
+  while(buf_len)
+    {
+      if (buf_findstr(name, &buf_ptr, &buf_len))
+        {
+          if (*buf_ptr == '=')
+            {
+              buf_ptr++;
+              return buf_ptr;
+            }
+          else
+            {
+              if (*buf_ptr == '\0')
+                /* NULL entry. */
+                return NULL;
+            }
+        }
+    }
+  /* No matching entries found. */
+  return NULL;
+}