* 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.

3 files changed, 40 insertions, 0 deletions

diff --git a/newlib/libc/include/argz.h b/newlib/libc/include/argz.h
new file mode 100644
index 000000000..76afc062d
--- /dev/null
+++ b/newlib/libc/include/argz.h
@@ -0,0 +1,22 @@
+/* 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>
+
+/* The newlib implementation of these functions assumes that sizeof(char) == 1. */
+error_t argz_create (char *const argv[], char **argz, size_t *argz_len);
+error_t argz_create_sep (const char *string, int sep, char **argz, size_t *argz_len);
+size_t argz_count (const char *argz, size_t argz_len);
+void argz_extract (char *argz, size_t argz_len, char **argv);
+void argz_stringify (char *argz, size_t argz_len, int sep);
+error_t argz_add (char **argz, size_t *argz_len, const char *str);
+error_t argz_add_sep (char **argz, size_t *argz_len, const char *str, int sep);
+error_t argz_append (char **argz, size_t *argz_len, const char *buf, size_t buf_len);
+error_t argz_delete (char **argz, size_t *argz_len, char *entry);
+error_t argz_insert (char **argz, size_t *argz_len, char *before, const char *entry);
+char * argz_next (char *argz, size_t argz_len, const char *entry);
+error_t argz_replace (char **argz, size_t *argz_len, const char *str, const char *with, unsigned *replace_count);
diff --git a/newlib/libc/include/envz.h b/newlib/libc/include/envz.h
new file mode 100644
index 000000000..e6a31c31d
--- /dev/null
+++ b/newlib/libc/include/envz.h
@@ -0,0 +1,16 @@
+/* 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>
+
+/* The newlib implementation of these functions assumes that sizeof(char) == 1. */
+char * envz_entry (const char *envz, size_t envz_len, const char *name);
+char * envz_get (const char *envz, size_t envz_len, const char *name);
+error_t envz_add (char **envz, size_t *envz_len, const char *name, const char *value);
+error_t envz_merge (char **envz, size_t *envz_len, const char *envz2, size_t envz2_len, int override);
+void envz_remove(char **envz, size_t *envz_len, const char *name);
+void envz_strip (char **envz, size_t *envz_len);
diff --git a/newlib/libc/include/errno.h b/newlib/libc/include/errno.h
index fa8efb7f5..8584a639b 100644
--- a/newlib/libc/include/errno.h
+++ b/newlib/libc/include/errno.h
@@ -1 +1,3 @@
+typedef int error_t;
+
 #include <sys/errno.h>