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config: Explain why get_opt_rec() does not follow OPT_ALIAS.

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(cherry picked from commit 4960c65f20)
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Kalle Olavi Niemitalo 2008-02-02 15:59:32 +02:00 committed by Kalle Olavi Niemitalo
parent d67eddc93c
commit ffb9321496
1 changed files with 8 additions and 1 deletions
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9
src/config/options.c
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@ -157,7 +157,14 @@ debug_check_option_syntax(struct option *option)
/* Ugly kludge */ /* Ugly kludge */
static int no_autocreate = 0; static int no_autocreate = 0;
/* Get record of option of given name, or NULL if there's no such option. */ /** Get record of option of given name, or NULL if there's no such option.
*
* If the specified option is an ::OPT_ALIAS, this function returns the
* alias, rather than the option to which the alias refers. It must
* work this way because the alias may have the ::OPT_ALIAS_NEGATE flag.
* Instead, if the caller tries to read or set the value of the alias,
* the functions associated with ::OPT_ALIAS will forward the operation
* to the underlying option. */
struct option * struct option *
get_opt_rec(struct option *tree, unsigned char *name_) get_opt_rec(struct option *tree, unsigned char *name_)
{ {