133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fspr_arch_dso.h"
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#include "fspr_strings.h"
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#include "fspr_portable.h"
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#include <stdio.h>
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#include <string.h>
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#if APR_HAS_DSO
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static fspr_status_t dso_cleanup(void *thedso)
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{
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fspr_dso_handle_t *dso = thedso;
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int rc;
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if (dso->handle == 0)
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return APR_SUCCESS;
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rc = DosFreeModule(dso->handle);
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if (rc == 0)
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dso->handle = 0;
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return APR_FROM_OS_ERROR(rc);
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}
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APR_DECLARE(fspr_status_t) fspr_dso_load(fspr_dso_handle_t **res_handle, const char *path, fspr_pool_t *ctx)
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{
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char failed_module[200];
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HMODULE handle;
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int rc;
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*res_handle = fspr_pcalloc(ctx, sizeof(**res_handle));
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(*res_handle)->cont = ctx;
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(*res_handle)->load_error = APR_SUCCESS;
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(*res_handle)->failed_module = NULL;
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if ((rc = DosLoadModule(failed_module, sizeof(failed_module), path, &handle)) != 0) {
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(*res_handle)->load_error = APR_FROM_OS_ERROR(rc);
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(*res_handle)->failed_module = fspr_pstrdup(ctx, failed_module);
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return APR_FROM_OS_ERROR(rc);
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}
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(*res_handle)->handle = handle;
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fspr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, fspr_pool_cleanup_null);
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_dso_unload(fspr_dso_handle_t *handle)
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{
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return fspr_pool_cleanup_run(handle->cont, handle, dso_cleanup);
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}
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APR_DECLARE(fspr_status_t) fspr_dso_sym(fspr_dso_handle_sym_t *ressym,
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fspr_dso_handle_t *handle,
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const char *symname)
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{
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PFN func;
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int rc;
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if (symname == NULL || ressym == NULL)
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return APR_ESYMNOTFOUND;
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if ((rc = DosQueryProcAddr(handle->handle, 0, symname, &func)) != 0) {
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handle->load_error = APR_FROM_OS_ERROR(rc);
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return handle->load_error;
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}
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*ressym = func;
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return APR_SUCCESS;
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}
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APR_DECLARE(const char *) fspr_dso_error(fspr_dso_handle_t *dso, char *buffer, fspr_size_t buflen)
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{
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char message[200];
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fspr_strerror(dso->load_error, message, sizeof(message));
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if (dso->failed_module != NULL) {
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strcat(message, " (");
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strcat(message, dso->failed_module);
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strcat(message, ")");
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}
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fspr_cpystrn(buffer, message, buflen);
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return buffer;
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}
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APR_DECLARE(fspr_status_t) fspr_os_dso_handle_put(fspr_dso_handle_t **aprdso,
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fspr_os_dso_handle_t osdso,
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fspr_pool_t *pool)
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{
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*aprdso = fspr_pcalloc(pool, sizeof **aprdso);
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(*aprdso)->handle = osdso;
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(*aprdso)->cont = pool;
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(*aprdso)->load_error = APR_SUCCESS;
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(*aprdso)->failed_module = NULL;
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_os_dso_handle_get(fspr_os_dso_handle_t *osdso,
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fspr_dso_handle_t *aprdso)
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{
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*osdso = aprdso->handle;
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return APR_SUCCESS;
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}
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#endif
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