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gpgconf: Add more comments.

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* src/engine-gpgconf.c (gpgconf_config_dir_cb, gpgconf_conf_dir):
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Signed-off-by: Marcus Brinkmann <mb@g10code.com>
GnuPG-bug-id: 3018
This commit is contained in:
Marcus Brinkmann 2017-08-24 15:50:16 +02:00
parent bfb3a01a0c
commit 91e47d7165
1 changed files with 7 additions and 1 deletions
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8
src/engine-gpgconf.c
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@ -992,6 +992,10 @@ struct gpgconf_config_dir_s
char *result; char *result;
}; };
/* Called for each line in the gpgconf --list-dirs output. Searches
for the desired line and returns the result, indicating success by
a special error value GPG_ERR_USER_1 (which terminates the
operation immediately). */
static gpgme_error_t static gpgme_error_t
gpgconf_config_dir_cb (void *hook, char *line) gpgconf_config_dir_cb (void *hook, char *line)
{ {
@ -1011,6 +1015,8 @@ gpgconf_config_dir_cb (void *hook, char *line)
} }
/* Like gpgme_get_dirinfo, but uses the home directory of ENGINE and
does not cache the result. */
static gpgme_error_t static gpgme_error_t
gpgconf_conf_dir (void *engine, const char *what, char **result) gpgconf_conf_dir (void *engine, const char *what, char **result)
{ {
@ -1023,7 +1029,7 @@ gpgconf_conf_dir (void *engine, const char *what, char **result)
gpgconf_config_dir_cb, &data); gpgconf_config_dir_cb, &data);
if (gpg_err_code (err) == GPG_ERR_USER_1) if (gpg_err_code (err) == GPG_ERR_USER_1)
{ {
/* This signals to use that a result was found. */ /* This signals to us that a result was found. */
*result = data.result; *result = data.result;
return 0; return 0;
} }