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-rw-r--r--Documentation/technical/api-parse-options.txt21
1 files changed, 16 insertions, 5 deletions
diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt
index f6a4a361bd..4b92514f60 100644
--- a/Documentation/technical/api-parse-options.txt
+++ b/Documentation/technical/api-parse-options.txt
@@ -135,9 +135,14 @@ There are some macros to easily define options:
describes the group or an empty string.
Start the description with an upper-case letter.
-`OPT_BOOLEAN(short, long, &int_var, description)`::
- Introduce a boolean option.
- `int_var` is incremented on each use.
+`OPT_BOOL(short, long, &int_var, description)`::
+ Introduce a boolean option. `int_var` is set to one with
+ `--option` and set to zero with `--no-option`.
+
+`OPT_COUNTUP(short, long, &int_var, description)`::
+ Introduce a count-up option.
+ `int_var` is incremented on each use of `--option`, and
+ reset to zero with `--no-option`.
`OPT_BIT(short, long, &int_var, description, mask)`::
Introduce a boolean option.
@@ -148,8 +153,9 @@ There are some macros to easily define options:
If used, `int_var` is bitwise-anded with the inverted `mask`.
`OPT_SET_INT(short, long, &int_var, description, integer)`::
- Introduce a boolean option.
- If used, set `int_var` to `integer`.
+ Introduce an integer option.
+ `int_var` is set to `integer` with `--option`, and
+ reset to zero with `--no-option`.
`OPT_SET_PTR(short, long, &ptr_var, description, ptr)`::
Introduce a boolean option.
@@ -198,6 +204,11 @@ There are some macros to easily define options:
"auto", set `int_var` to 1 if stdout is a tty or a pager,
0 otherwise.
+`OPT_NOOP_NOARG(short, long)`::
+ Introduce an option that has no effect and takes no arguments.
+ Use it to hide deprecated options that are still to be recognized
+ and ignored silently.
+
The last element of the array must be `OPT_END()`.