diff options
Diffstat (limited to 'nss')
| -rw-r--r-- | nss/getXXbyYY.c | 15 | ||||
| -rw-r--r-- | nss/getXXent.c | 17 | ||||
| -rw-r--r-- | nss/nsswitch.c | 59 |
3 files changed, 88 insertions, 3 deletions
diff --git a/nss/getXXbyYY.c b/nss/getXXbyYY.c index 16f01dedf2..15cdcba3ff 100644 --- a/nss/getXXbyYY.c +++ b/nss/getXXbyYY.c @@ -72,11 +72,13 @@ extern int INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, /* We need to protect the dynamic buffer handling. */ __libc_lock_define_initialized (static, lock); +/* This points to the static buffer used. */ +static char *buffer; + LOOKUP_TYPE * FUNCTION_NAME (ADD_PARAMS) { - static char *buffer; static size_t buffer_size; static LOOKUP_TYPE resbuf; LOOKUP_TYPE *result; @@ -151,3 +153,14 @@ done: return result; } + + +/* Free all resources if necessary. */ +static void __attribute__ ((unused)) +free_mem (void) +{ + if (buffer != NULL) + free (buffer); +} + +text_set_element (__libc_subfreeres, free_mem); diff --git a/nss/getXXent.c b/nss/getXXent.c index 491ab4d275..e40d41b51e 100644 --- a/nss/getXXent.c +++ b/nss/getXXent.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -62,11 +62,13 @@ extern int INTERNAL (REENTRANT_GETNAME) (LOOKUP_TYPE *resbuf, char *buffer, /* We need to protect the dynamic buffer handling. */ __libc_lock_define_initialized (static, lock); +/* This points to the static buffer used. */ +static char *buffer; + LOOKUP_TYPE * GETFUNC_NAME (void) { - static char *buffer; static size_t buffer_size; static LOOKUP_TYPE resbuf; LOOKUP_TYPE *result; @@ -113,3 +115,14 @@ GETFUNC_NAME (void) return result; } + + +/* Free all resources if necessary. */ +static void __attribute__ ((unused)) +free_mem (void) +{ + if (buffer != NULL) + free (buffer); +} + +text_set_element (__libc_subfreeres, free_mem); diff --git a/nss/nsswitch.c b/nss/nsswitch.c index 241fa2c6fc..8874b0caa1 100644 --- a/nss/nsswitch.c +++ b/nss/nsswitch.c @@ -753,3 +753,62 @@ nss_new_service (name_database *database, const char *name) return *currentp; } + + +static void +nothing (void *ptr __attribute__ ((unused))) +{ +} + + +/* Free all resources if necessary. */ +static void __attribute__ ((unused)) +free_mem (void) +{ + name_database *top = service_table; + name_database_entry *entry; + service_library *library; + + if (top == NULL) + /* Maybe we have not read the nsswitch.conf file. */ + return; + + /* Don't disturb ongoing other threads (if there are any). */ + service_table = NULL; + + entry = top->entry; + while (entry != NULL) + { + name_database_entry *olde = entry; + service_user *service = entry->service; + + while (service != NULL) + { + service_user *olds = service; + + if (service->known != NULL) + __tdestroy (service->known, nothing); + + service = service->next; + free (olds); + } + + entry = entry->next; + free (olde); + } + + library = top->library; + while (library != NULL) + { + service_library *oldl = library; + + _dl_close (library->lib_handle); + + library = library->next; + free (oldl); + } + + free (top); +} + +text_set_element (__libc_subfreeres, free_mem); |