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examples: dlclose on some errors

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This commit is contained in:
Wim Taymans 2020-07-02 16:07:54 +02:00
parent e11d35107f
commit 5295caf0f3
1 changed files with 28 additions and 16 deletions
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44
spa/examples/adapter-control.c
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@ -101,18 +101,20 @@ static int load_handle(struct data *data, struct spa_handle **handle, const char
uint32_t i;
char *path;
if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL)
return -ENOMEM;
}
if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
hnd = dlopen(path, RTLD_NOW);
free(path);
if (hnd == NULL) {
printf("can't load %s: %s\n", lib, dlerror());
free(path);
return -ENOENT;
}
free(path);
if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
printf("can't find enum function\n");
return -ENOENT;
res = -ENOENT;
goto exit_cleanup;
}
for (i = 0;;) {
@ -133,11 +135,15 @@ static int load_handle(struct data *data, struct spa_handle **handle, const char
NULL, data->support,
data->n_support)) < 0) {
printf("can't make factory instance: %d\n", res);
return res;
goto exit_cleanup;
}
return 0;
}
return -EBADF;
exit_cleanup:
dlclose(hnd);
return res;
}
int init_data(struct data *data)
@ -201,23 +207,25 @@ static int make_node(struct data *data, struct spa_node **node, const char *lib,
{
struct spa_handle *handle;
int res = 0;
void *hnd;
void *hnd = NULL;
spa_handle_factory_enum_func_t enum_func;
uint32_t i;
char *path;
if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL)
return -ENOMEM;
}
if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
hnd = dlopen(path, RTLD_NOW);
free(path);
if (hnd == NULL) {
printf("can't load %s: %s\n", lib, dlerror());
free(path);
return -ENOENT;
}
free(path);
if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
printf("can't find enum function\n");
return -ENOENT;
res = -ENOENT;
goto exit_cleanup;
}
for (i = 0;;) {
@ -239,16 +247,20 @@ static int make_node(struct data *data, struct spa_node **node, const char *lib,
spa_handle_factory_init(factory, handle, props, data->support,
data->n_support)) < 0) {
printf("can't make factory instance: %d\n", res);
return res;
goto exit_cleanup;
}
if ((res = spa_handle_get_interface(handle, SPA_TYPE_INTERFACE_Node, &iface)) < 0) {
printf("can't get interface %d\n", res);
return res;
goto exit_cleanup;
}
*node = iface;
return 0;
}
return -EBADF;
exit_cleanup:
dlclose(hnd);
return res;
}
static int on_sink_node_ready(void *_data, int status)