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-- add loader for the dwi backend

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-- get rid of dorky, pointless subroutine call


git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@10065 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas
2004-06-14 01:05:58 +00:00
parent a3a3210b27
commit 2f265559ed
1 changed files with 50 additions and 21 deletions
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71
src/engine/qofsession.c
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@@ -337,11 +337,43 @@ qof_session_load_backend(QofSession * session, char * backend_name)
#else /* GNUCASH */
/* Specify a library, and a function name. Load the library,
* call the function name in the library. */
static void
load_backend_library (const char * libso, const char * loadfn)
{
void *dl_hand = dlopen (libso, RTLD_LAZY);
if (NULL == dl_hand)
{
const char * err_str = dlerror();
PERR("Can't load %s backend, %s\n", libso, err_str);
return;
}
void (*initfn) (void) = dlsym (dl_hand, loadfn);
if (initfn)
{
(*initfn)();
}
else
{
const char * err_str = dlerror();
PERR("Can't find %s:%s, %s\n", libso, loadfn, err_str);
}
}
static void
qof_session_load_backend(QofSession * session, char * access_method)
{
GSList *p;
ENTER (" ");
/* If the provider list is null, try to register the 'well-known'
* backends. Right now, there's only one. */
if (NULL == provider_list)
{
load_backend_library ("libqof_backend_dwi.so", "dwiend_provider_init");
}
for (p = provider_list; p; p=p->next)
{
QofBackendProvider *prov = p->data;
@@ -407,11 +439,11 @@ qof_session_begin (QofSession *session, const char * book_id,
session, ignore_lock,
book_id ? book_id : "(null)");
/* clear the error condition of previous errors */
/* Clear the error condition of previous errors */
qof_session_clear_error (session);
/* check to see if this session is already open */
if (qof_session_get_url(session))
/* Check to see if this session is already open */
if (session->book_id)
{
qof_session_push_error (session, ERR_BACKEND_LOCKED, NULL);
LEAVE("push error book is already open ");
@@ -467,7 +499,7 @@ qof_session_begin (QofSession *session, const char * book_id,
char * msg;
(session->backend->session_begin)(session->backend, session,
qof_session_get_url(session), ignore_lock,
session->book_id, ignore_lock,
create_if_nonexistent);
PINFO("Done running session_begin on backend");
err = qof_backend_get_error(session->backend);
@@ -503,10 +535,10 @@ qof_session_load (QofSession *session,
QofBackendError err;
if (!session) return;
if (!qof_session_get_url(session)) return;
if (!session->book_id) return;
ENTER ("sess=%p book_id=%s", session, qof_session_get_url(session)
? qof_session_get_url(session) : "(null)");
ENTER ("sess=%p book_id=%s", session, session->book_id
? session->book_id : "(null)");
/* At this point, we should are supposed to have a valid book
@@ -565,8 +597,8 @@ qof_session_load (QofSession *session,
qof_book_destroy (ob);
}
LEAVE ("sess = %p, book_id=%s", session, qof_session_get_url(session)
? qof_session_get_url(session) : "(null)");
LEAVE ("sess = %p, book_id=%s", session, session->book_id
? session->book_id : "(null)");
}
/* ====================================================================== */
@@ -616,9 +648,7 @@ qof_session_save (QofSession *session,
if (!session) return;
ENTER ("sess=%p book_id=%s",
session,
qof_session_get_url(session)
? qof_session_get_url(session) : "(null)");
session, session->book_id ? session->book_id : "(null)");
/* If there is a backend, and the backend is reachable
* (i.e. we can communicate with it), then synchronize with
@@ -677,8 +707,8 @@ qof_session_export (QofSession *tmp_session,
book = qof_session_get_book (real_session);
ENTER ("tmp_session=%p real_session=%p book=%p book_id=%s",
tmp_session, real_session, book,
qof_session_get_url(tmp_session)
? qof_session_get_url(tmp_session) : "(null)");
tmp_session -> book_id
? tmp_session->book_id : "(null)");
/* There must be a backend or else. (It should always be the file
* backend too.)
@@ -706,8 +736,8 @@ qof_session_end (QofSession *session)
{
if (!session) return;
ENTER ("sess=%p book_id=%s", session, qof_session_get_url(session)
? qof_session_get_url(session) : "(null)");
ENTER ("sess=%p book_id=%s", session, session->book_id
? session->book_id : "(null)");
/* close down the backend first */
if (session->backend && session->backend->session_end)
@@ -720,8 +750,8 @@ qof_session_end (QofSession *session)
g_free (session->book_id);
session->book_id = NULL;
LEAVE ("sess=%p book_id=%s", session, qof_session_get_url(session)
? qof_session_get_url(session) : "(null)");
LEAVE ("sess=%p book_id=%s", session, session->book_id
? session->book_id : "(null)");
}
void
@@ -730,9 +760,8 @@ qof_session_destroy (QofSession *session)
GList *node;
if (!session) return;
ENTER ("sess=%p book_id=%s", session,
qof_session_get_url(session)
? qof_session_get_url(session) : "(null)");
ENTER ("sess=%p book_id=%s", session, session->book_id
? session->book_id : "(null)");
qof_session_end (session);