parse-options: move unsigned long option parsing out of pack-objects.c

diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt
index 1f2db313122ccb18223f3be429620fa3385cec51..525cb2f87a2a56db7837b7543037da7644b2b65a 100644 (file)
--- a/Documentation/technical/api-parse-options.txt
+++ b/Documentation/technical/api-parse-options.txt
@@ -168,6 +168,12 @@ There are some macros to easily define options:
        Introduce an option with integer argument.
        The integer is put into `int_var`.
 
+`OPT_MAGNITUDE(short, long, &unsigned_long_var, description)`::
+       Introduce an option with a size argument. The argument must be a
+       non-negative integer and may include a suffix of 'k', 'm' or 'g' to
+       scale the provided value by 1024, 1024^2 or 1024^3 respectively.
+       The scaled value is put into `unsigned_long_var`.
+
 `OPT_DATE(short, long, &int_var, description)`::
        Introduce an option with date argument, see `approxidate()`.
        The timestamp is put into `int_var`.