diff options
Diffstat (limited to 'nss/nss_files')
-rw-r--r-- | nss/nss_files/files-XXX.c | 67 | ||||
-rw-r--r-- | nss/nss_files/files-alias.c | 69 | ||||
-rw-r--r-- | nss/nss_files/files-hosts.c | 4 |
3 files changed, 33 insertions, 107 deletions
diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c index b4b989d9bb..91553d7ca5 100644 --- a/nss/nss_files/files-XXX.c +++ b/nss/nss_files/files-XXX.c @@ -45,10 +45,12 @@ # include <netdb.h> # define H_ERRNO_PROTO , int *herrnop # define H_ERRNO_ARG , herrnop +# define H_ERRNO_ARG_OR_NULL herrnop # define H_ERRNO_SET(val) (*herrnop = (val)) #else # define H_ERRNO_PROTO # define H_ERRNO_ARG +# define H_ERRNO_ARG_OR_NULL NULL # define H_ERRNO_SET(val) ((void) 0) #endif @@ -58,15 +60,11 @@ # define EXTRA_ARGS_VALUE #endif -/* Locks the static variables in this file. */ -__libc_lock_define_initialized (static, lock) /* Maintenance of the stream open on the database file. For getXXent operations the stream needs to be held open across calls, the other getXXbyYY operations all use their own stream. */ -static FILE *stream; - /* Open database file if not already opened. */ static enum nss_status internal_setent (FILE **stream) @@ -91,41 +89,13 @@ internal_setent (FILE **stream) enum nss_status CONCAT(_nss_files_set,ENTNAME) (int stayopen) { - enum nss_status status; - - __libc_lock_lock (lock); - - status = internal_setent (&stream); - - __libc_lock_unlock (lock); - - return status; -} - - -/* Close the database file. */ -static void -internal_endent (FILE **stream) -{ - if (*stream != NULL) - { - fclose (*stream); - *stream = NULL; - } + return __nss_files_data_setent (CONCAT (nss_file_, ENTNAME), DATAFILE); } - -/* Thread-safe, exported version of that. */ enum nss_status CONCAT(_nss_files_end,ENTNAME) (void) { - __libc_lock_lock (lock); - - internal_endent (&stream); - - __libc_lock_unlock (lock); - - return NSS_STATUS_SUCCESS; + return __nss_files_data_endent (CONCAT (nss_file_, ENTNAME)); } @@ -194,26 +164,19 @@ CONCAT(_nss_files_get,ENTNAME_r) (struct STRUCTURE *result, char *buffer, size_t buflen, int *errnop H_ERRNO_PROTO) { /* Return next entry in host file. */ - enum nss_status status = NSS_STATUS_SUCCESS; - - __libc_lock_lock (lock); - - /* Be prepared that the set*ent function was not called before. */ - if (stream == NULL) - { - int save_errno = errno; - - status = internal_setent (&stream); - - __set_errno (save_errno); - } - if (status == NSS_STATUS_SUCCESS) - status = internal_getent (stream, result, buffer, buflen, errnop - H_ERRNO_ARG EXTRA_ARGS_VALUE); + struct nss_files_per_file_data *data; + enum nss_status status = __nss_files_data_open (&data, + CONCAT (nss_file_, ENTNAME), + DATAFILE, + errnop, H_ERRNO_ARG_OR_NULL); + if (status != NSS_STATUS_SUCCESS) + return status; - __libc_lock_unlock (lock); + status = internal_getent (data->stream, result, buffer, buflen, errnop + H_ERRNO_ARG EXTRA_ARGS_VALUE); + __nss_files_data_put (data); return status; } @@ -248,7 +211,7 @@ _nss_files_get##name##_r (proto, \ == NSS_STATUS_SUCCESS) \ { break_if_match } \ \ - internal_endent (&stream); \ + fclose (stream); \ } \ \ return status; \ diff --git a/nss/nss_files/files-alias.c b/nss/nss_files/files-alias.c index 30971bfe56..9624b6224c 100644 --- a/nss/nss_files/files-alias.c +++ b/nss/nss_files/files-alias.c @@ -33,16 +33,11 @@ NSS_DECLARE_MODULE_FUNCTIONS (files) -/* Locks the static variables in this file. */ -__libc_lock_define_initialized (static, lock) /* Maintenance of the stream open on the database file. For getXXent operations the stream needs to be held open across calls, the other getXXbyYY operations all use their own stream. */ -static FILE *stream; - - static enum nss_status internal_setent (FILE **stream) { @@ -66,41 +61,13 @@ internal_setent (FILE **stream) enum nss_status _nss_files_setaliasent (void) { - enum nss_status status; - - __libc_lock_lock (lock); - - status = internal_setent (&stream); - - __libc_lock_unlock (lock); - - return status; -} - - -/* Close the database file. */ -static void -internal_endent (FILE **stream) -{ - if (*stream != NULL) - { - fclose (*stream); - *stream = NULL; - } + return __nss_files_data_setent (nss_file_aliasent, "/etc/aliases"); } - -/* Thread-safe, exported version of that. */ enum nss_status _nss_files_endaliasent (void) { - __libc_lock_lock (lock); - - internal_endent (&stream); - - __libc_lock_unlock (lock); - - return NSS_STATUS_SUCCESS; + return __nss_files_data_endent (nss_file_aliasent); } /* Parsing the database file into `struct aliasent' data structures. */ @@ -369,26 +336,22 @@ _nss_files_getaliasent_r (struct aliasent *result, char *buffer, size_t buflen, int *errnop) { /* Return next entry in host file. */ - enum nss_status status = NSS_STATUS_SUCCESS; - __libc_lock_lock (lock); + struct nss_files_per_file_data *data; + enum nss_status status = __nss_files_data_open (&data, nss_file_aliasent, + "/etc/aliases", errnop, NULL); + if (status != NSS_STATUS_SUCCESS) + return status; - /* Be prepared that the set*ent function was not called before. */ - if (stream == NULL) - status = internal_setent (&stream); + result->alias_local = 1; - if (status == NSS_STATUS_SUCCESS) - { - result->alias_local = 1; - - /* Read lines until we get a definite result. */ - do - status = get_next_alias (stream, NULL, result, buffer, buflen, errnop); - while (status == NSS_STATUS_RETURN); - } - - __libc_lock_unlock (lock); + /* Read lines until we get a definite result. */ + do + status = get_next_alias (data->stream, NULL, result, buffer, buflen, + errnop); + while (status == NSS_STATUS_RETURN); + __nss_files_data_put (data); return status; } @@ -418,9 +381,9 @@ _nss_files_getaliasbyname_r (const char *name, struct aliasent *result, do status = get_next_alias (stream, name, result, buffer, buflen, errnop); while (status == NSS_STATUS_RETURN); - } - internal_endent (&stream); + fclose (stream); + } return status; } diff --git a/nss/nss_files/files-hosts.c b/nss/nss_files/files-hosts.c index 2b47ec3e53..1dd51d1db9 100644 --- a/nss/nss_files/files-hosts.c +++ b/nss/nss_files/files-hosts.c @@ -349,7 +349,7 @@ _nss_files_gethostbyname3_r (const char *name, int af, struct hostent *result, status = gethostbyname3_multi (stream, name, af, result, buffer, buflen, errnop, herrnop); - internal_endent (&stream); + fclose (stream); } if (canonp && status == NSS_STATUS_SUCCESS) @@ -475,7 +475,7 @@ _nss_files_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat, status = NSS_STATUS_SUCCESS; } - internal_endent (&stream); + fclose (stream); } else if (status == NSS_STATUS_TRYAGAIN) { |