void logmask_from_string(const char *str, log_mask_t &mask)
{
if (str == nullptr)
{
return;
}
logmask_set_all(mask, false); // Start with a clean mask
// If the first character is 'a' or 'A', set all severities
if (unc_toupper(*str) == 'A')
{
logmask_set_all(mask, true);
str++;
}
char *ptmp;
bool was_dash = false;
int last_level = -1;
while (*str != 0) // check string until termination character
{
if (unc_isspace(*str)) // ignore spaces and go on with next character
{
str++;
continue;
}
if (unc_isdigit(*str))
{
int level = strtoul(str, &ptmp, 10);
str = ptmp;
logmask_set_sev(mask, static_cast<log_sev_t>(level), true);
if (was_dash)
{
for (int idx = last_level + 1; idx < level; idx++)
{
logmask_set_sev(mask, static_cast<log_sev_t>(idx), true);
}
was_dash = false;
}
last_level = level;
}
else if (*str == '-') // a dash marks all bits until the next number
{
was_dash = true;
str++;
}
else // probably a comma
{
last_level = -1;
was_dash = false;
str++;
}
}
} // logmask_from_string
/**
* Initializes the log subsystem - call this first.
* This function sets the log stream and enables the top 3 sevs (0-2).
*
* @param log_file NULL for stderr or the FILE stream for logs.
*/
void log_init(FILE *log_file)
{
/* set the top 3 severities */
logmask_set_all(g_log.mask, false);
log_set_sev(LSYS, true);
log_set_sev(LERR, true);
log_set_sev(LWARN, true);
g_log.log_file = (log_file != NULL) ? log_file : stderr;
}