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cmdutils: change semantics of show_help_options() and document it.

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Currently it takes a mask and value, such that options for which
(flags & mask) == value.

Change it to take required flags and forbidden flags instead. This is
shorter and simpler to understand.
This commit is contained in:
Anton Khirnov
2012-08-11 19:45:30 +02:00
parent dc4c24a3d3
commit 7c5012127f
4 changed files with 35 additions and 31 deletions
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12
cmdutils.h
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@@ -153,8 +153,16 @@ typedef struct {
const char *argname;
} OptionDef;
void show_help_options(const OptionDef *options, const char *msg, int mask,
int value);
/**
* Print help for all options matching specified flags.
*
* @param options a list of options
* @param msg title of this group. Only printed if at least one option matches.
* @param req_flags print only options which have all those flags set.
* @param rej_flags don't print options which have any of those flags set.
*/
void show_help_options(const OptionDef *options, const char *msg, int req_flags,
int rej_flags);
/**
* Show help for all options with given flags in class and all its