* 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, 37 insertions, 0 deletions

diff --git a/newlib/libc/argz/argz_delete.c b/newlib/libc/argz/argz_delete.c
new file mode 100644
index 000000000..47134cbff
--- /dev/null
+++ b/newlib/libc/argz/argz_delete.c
@@ -0,0 +1,37 @@
+/* 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>
+
+error_t
+argz_delete (char **argz, size_t *argz_len, char *entry)
+{
+  int len = 0;
+  char *moveto = entry;
+
+  if (entry)
+    {
+      len = strlen(entry) + 1;
+      entry += len;
+      
+      memmove(moveto, entry, *argz + *argz_len - entry);
+
+      *argz_len -= len;
+
+      if(!(*argz = (char *)realloc(*argz, *argz_len)))
+        return ENOMEM;
+
+      if (*argz_len <= 0)
+        {
+          free(*argz);
+          *argz = NULL;
+        }
+    }
+  return 0;
+}