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- #include "nssm.h"
- #define NSSM_ERROR_BUFSIZE 65535
- unsigned long tls_index;
- /* Convert error code to error string - must call LocalFree() on return value */
- char *error_string(unsigned long error) {
- /* Thread-safe buffer */
- char *error_message = (char *) TlsGetValue(tls_index);
- if (! error_message) {
- error_message = (char *) LocalAlloc(LPTR, NSSM_ERROR_BUFSIZE);
- if (! error_message) return "<out of memory for error message>";
- TlsSetValue(tls_index, (void *) error_message);
- }
- if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *) error_message, NSSM_ERROR_BUFSIZE, 0)) {
- if (_snprintf(error_message, NSSM_ERROR_BUFSIZE, "system error %lu", error) < 0) return 0;
- }
- return error_message;
- }
- /* Log a message to the Event Log */
- void log_event(unsigned short type, unsigned long id, ...) {
- va_list arg;
- int count;
- char *s;
- char *strings[6];
- /* Open event log */
- HANDLE handle = RegisterEventSource(0, TEXT(NSSM));
- if (! handle) return;
- /* Log it */
- count = 0;
- va_start(arg, id);
- while ((s = va_arg(arg, char *))) strings[count++] = s;
- va_end(arg);
- ReportEvent(handle, type, 0, id, 0, count, 0, (const char **) strings, 0);
- /* Close event log */
- DeregisterEventSource(handle);
- }
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