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respondd: add diagnostics about failed module load (#171)

This commit is contained in:
Thomas Weißschuh 2017-09-28 12:35:20 +02:00 committed by Matthias Schiffer
parent ad8918376e
commit 706bef6245
1 changed files with 9 additions and 1 deletions
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10
net/respondd/src/respondd.c
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@ -183,11 +183,19 @@ static const struct respondd_provider_info * get_providers(const char *filename)
snprintf(path, sizeof(path), "./%s", filename);
void *handle = dlopen(path, RTLD_NOW|RTLD_LOCAL);
if (!handle)
if (!handle) {
syslog(LOG_WARNING, "unable to open provider module '%s', ignoring: %s", filename, dlerror());
return NULL;
}
// clean a potential previous error
dlerror();
const struct respondd_provider_info *ret = dlsym(handle, "respondd_providers");
if (!ret) {
syslog(LOG_WARNING,
"unable to load providers from '%s', ignoring: %s",
filename, dlerror() ?: "'respondd_providers' == NULL");
dlclose(handle);
return NULL;
}