diff options
Diffstat (limited to 'libfshelp')
| -rw-r--r-- | libfshelp/fshelp.h | 9 | ||||
| -rw-r--r-- | libfshelp/translator-list.c | 21 |
2 files changed, 23 insertions, 7 deletions
diff --git a/libfshelp/fshelp.h b/libfshelp/fshelp.h index 5d3a0ceb..1c6f04a2 100644 --- a/libfshelp/fshelp.h +++ b/libfshelp/fshelp.h @@ -61,12 +61,15 @@ fshelp_remove_active_translator (mach_port_t active); included in the list. */ typedef error_t (*fshelp_filter) (const char *path); -/* Records the list of active translators into the argz vector - specified by TRANSLATORS filtered by FILTER. */ +/* Records the list of active translators below PREFIX into the argz + vector specified by TRANSLATORS filtered by FILTER. If PREFIX is + NULL, entries with any prefix are considered. If FILTER is NULL, + no filter is applied. */ error_t fshelp_get_active_translators (char **translators, size_t *translators_len, - fshelp_filter filter); + fshelp_filter filter, + const char *prefix); /* Passive translator linkage */ diff --git a/libfshelp/translator-list.c b/libfshelp/translator-list.c index 3ece7112..be7ce4de 100644 --- a/libfshelp/translator-list.c +++ b/libfshelp/translator-list.c @@ -160,19 +160,32 @@ fshelp_remove_active_translator (mach_port_t active) return err; } -/* Records the list of active translators into the argz vector - specified by TRANSLATORS filtered by FILTER. */ +/* Records the list of active translators below PREFIX into the argz + vector specified by TRANSLATORS filtered by FILTER. If PREFIX is + NULL, entries with any prefix are considered. If FILTER is NULL, + no filter is applied. */ error_t fshelp_get_active_translators (char **translators, size_t *translators_len, - fshelp_filter filter) + fshelp_filter filter, + const char *prefix) { error_t err = 0; pthread_mutex_lock (&translator_ihash_lock); + if (prefix && strlen (prefix) == 0) + prefix = NULL; + HURD_IHASH_ITERATE (&translator_ihash, value) { struct translator *t = value; + + if (prefix != NULL + && (strncmp (t->name, prefix, strlen (prefix)) != 0 + || t->name[strlen (prefix)] != '/')) + /* Skip this entry, as it is not below PREFIX. */ + continue; + if (filter) { char *dir = strdup (t->name); @@ -192,7 +205,7 @@ fshelp_get_active_translators (char **translators, } err = argz_add (translators, translators_len, - t->name); + &t->name[prefix? strlen (prefix) + 1: 0]); if (err) break; } |