X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=Documentation%2Ftechnical%2Fapi-parse-options.txt;h=50f9e9ac1708f3f754023c1bb60416adc9c73c74;hb=d1926f63ec93e84dba1a54c5de898fb517d9ca59;hp=b43458eae6787caab163fadab113dff61e577498;hpb=3ed24211d48d9a297b3784347acbf7e0265a58f3;p=git.git

diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt
index b43458eae..50f9e9ac1 100644
--- a/Documentation/technical/api-parse-options.txt
+++ b/Documentation/technical/api-parse-options.txt
@@ -60,13 +60,13 @@ Steps to parse options
 . in `cmd_foo(int argc, const char **argv, const char *prefix)`
   call
 
-	argc = parse_options(argc, argv, builtin_foo_options, builtin_foo_usage, flags);
+	argc = parse_options(argc, argv, prefix, builtin_foo_options, builtin_foo_usage, flags);
 +
 `parse_options()` will filter out the processed options of `argv[]` and leave the
 non-option arguments in `argv[]`.
 `argc` is updated appropriately because of the assignment.
 +
-You can also pass NULL instead of a usage array as fourth parameter of
+You can also pass NULL instead of a usage array as the fifth parameter of
 parse_options(), to avoid displaying a help screen with usage info and
 option list.  This should only be done if necessary, e.g. to implement
 a limited parser for only a subset of the options that needs to be run
@@ -167,6 +167,11 @@ There are some macros to easily define options:
 	and the result will be put into `var`.
 	See 'Option Callbacks' below for a more elaborate description.
 
+`OPT_FILENAME(short, long, &var, description)`::
+	Introduce an option with a filename argument.
+	The filename will be prefixed by passing the filename along with
+	the prefix argument of `parse_options()` to `prefix_filename()`.
+
 `OPT_ARGUMENT(long, description)`::
 	Introduce a long-option argument that will be kept in `argv[]`.