va_start(ap, format);
if (!string_vformat(buffer, sizeof(buffer), format, ap))
log_write(0, LOG_MAIN|LOG_PANIC_DIE,
- "string_sprintf expansion was longer than " SIZE_T_FMT " (%s)",
- sizeof(buffer), format);
+ "string_sprintf expansion was longer than " SIZE_T_FMT
+ "; format string was (%s)\nexpansion started '%.32s'",
+ sizeof(buffer), format, buffer);
va_end(ap);
return string_copy(buffer);
}