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authorUlrich Drepper <drepper@redhat.com>2000-01-02 08:45:58 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-02 08:45:58 +0000
commit793bd4d9ebc5198ac292437227bec133fc6f4dfc (patch)
treefcac05d3fe6bd9e1e8ac94df7f3450929640ad12 /nss/nss_db
parent8d6f1731fcd082e4f744ba9cb4bde4be7c08f1b3 (diff)
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Update.
2000-01-02 Ulrich Drepper <drepper@cygnus.com> * nss/nss_db/nss_db.h: Add definitions needed for makedb. * nss/nss_db/dummy-db.h: Likewise. * nss/makedb.c: New file. Copied from file in db2, modified to not depend on being linked against libdb.
Diffstat (limited to 'nss/nss_db')
-rw-r--r--nss/nss_db/db-open.c4
-rw-r--r--nss/nss_db/dummy-db.h62
-rw-r--r--nss/nss_db/nss_db.h17
3 files changed, 79 insertions, 4 deletions
diff --git a/nss/nss_db/db-open.c b/nss/nss_db/db-open.c
index 2d96ffd..c3a0679 100644
--- a/nss/nss_db/db-open.c
+++ b/nss/nss_db/db-open.c
@@ -57,14 +57,14 @@ load_db (void)
static const char *libnames[] = { "libdb.so.3" };
int x;
- for(x = 0; x < 1; ++x)
+ for(x = 0; x < sizeof (libnames) / sizeof (libnames[0]); ++x)
{
libdb_handle = dlopen (libnames[x], RTLD_LAZY);
if (libdb_handle == NULL)
continue;
libdb_db_open = dlsym (libdb_handle, "db_open");
- if (libdb_db_open)
+ if (libdb_db_open != NULL)
{
/* Alright, we got a library. Now find out which version it is. */
const char *(*db_version) (int *, int *, int *);
diff --git a/nss/nss_db/dummy-db.h b/nss/nss_db/dummy-db.h
index 4414a1c..600d51d 100644
--- a/nss/nss_db/dummy-db.h
+++ b/nss/nss_db/dummy-db.h
@@ -14,6 +14,11 @@
/* Permission flags are also not changed. */
#define DB_RDONLY 0x010000
+/* Access methods. */
+#define DB24_FIRST 0x000020
+#define DB24_NEXT 0x000800
+#define DB24_NOOVERWRITE 0x001000
+
/* This is for the db-2.x version up to 2.x.y. We use the name `db24' since
this is the version which was shipped with glibc 2.1. */
@@ -68,7 +73,27 @@ struct db24
};
-/* Version 2.7, slightly incompatible with version 2.4. */
+struct dbc24
+{
+ void *dbp;
+ void *txn;
+ struct
+ {
+ void *tqe_next;
+ void **tqe_prev;
+ } links;
+ void *internal;
+ void *c_close;
+ void *c_del;
+ int (*c_get) (void *, void *, void *, uint32_t);
+ void *c_put;
+};
+
+/* Flags which changed. */
+#define DB24_TRUNCATE 0x080000
+
+
+/* Versions for 2.7, slightly incompatible with version 2.4. */
struct db27
{
void *mutexp;
@@ -109,3 +134,38 @@ struct db27
int (*stat) (void *, void *, void *(*)(size_t), uint32_t);
int (*sync) (void *, uint32_t);
};
+
+
+struct dbc27
+{
+ void *dbp;
+ void *txn;
+ struct
+ {
+ void *tqe_next;
+ void **tqe_prev;
+ } links;
+ uint32_t lid;
+ uint32_t locker;
+ DBT lock_dbt;
+ uint32_t lock[14];
+ size_t mylock;
+ DBT rkey;
+ DBT rdata;
+ void *c_am_close;
+ void *c_am_destroy;
+ void *c_close;
+ void *c_del;
+ int (*c_get) (void *, void *, void *, uint32_t);
+ void *c_put;
+ void *internal;
+ uint32_t flags;
+};
+
+/* Flags which changed. */
+#define DB27_TRUNCATE 0x020000
+
+/* Access methods. */
+#define DB27_FIRST 7
+#define DB27_NEXT 15
+#define DB27_NOOVERWRITE 17
diff --git a/nss/nss_db/nss_db.h b/nss/nss_db/nss_db.h
index 8dc2a36..dbf6ed8 100644
--- a/nss/nss_db/nss_db.h
+++ b/nss/nss_db/nss_db.h
@@ -24,17 +24,32 @@
/* The error values kept the same values though new values were added.
Define only those which we need. */
+#define DB_KEYEXIST ( -3)
#define DB_NOTFOUND ( -7)
+/* Flags are also unchanged. */
+#define DB_CREATE 0x000001
+
+
+/* Similarly we have to handle the cursor object. It is also very
+ different from version to version. */
+typedef struct
+{
+ void *cursor;
+ int (*c_get) (void *, void *, void *, uint32_t);
+} NSS_DBC;
+
+
/* This is the wrapper we put around the `DB' structures to provide a
uniform interface to the higher-level functions. */
typedef struct
{
void *db;
int (*close) (void *, uint32_t);
+ int (*cursor) (void *, void *, NSS_DBC **);
int (*fd) (void *, int *);
int (*get) (void *, void *, void *, void *, uint32_t);
-
+ int (*put) (void *, void *, void *, void *, uint32_t);
} NSS_DB;