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authorStephen Boyd <bebarino@gmail.com>2009-05-23 18:53:12 (GMT)
committerJunio C Hamano <gitster@pobox.com>2009-05-25 08:07:25 (GMT)
commit377829201783b8a648e07af6ce7d747e0f45dc19 (patch)
treefe989294bc3d3c8adb2c6d6b8fb7702be7c23acf /Documentation/technical/api-parse-options.txt
parent3d09e64ac10aab1ae6ae1ac9cce7a6ebb43f2e50 (diff)
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parse-opts: prepare for OPT_FILENAME
To give OPT_FILENAME the prefix, we pass the prefix to parse_options() which passes the prefix to parse_options_start() which sets the prefix member of parse_opts_ctx accordingly. If there isn't a prefix in the calling context, passing NULL will suffice. Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation/technical/api-parse-options.txt')
-rw-r--r--Documentation/technical/api-parse-options.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt
index b43458e..aace580 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