csv = fopen(filename, "w");
if (csv == NULL) {
char errbuf[1024];
ERROR("csv plugin: fopen (%s) failed: %s", filename,
sstrerror(errno, errbuf, sizeof(errbuf)));
csv = fopen(filename, "w");
if (csv == NULL) {
char errbuf[1024];
ERROR("csv plugin: fopen (%s) failed: %s", filename,
sstrerror(errno, errbuf, sizeof(errbuf)));