Function add2debugmsgsave

src/rig.c:426–476

* @brief Handle stack trace messages. * * @ingroup lib_internal * * Maintains an array of debug messages to build a stack trace of up to 20 * lines. * * @sa rigerror() */

 * @sa rigerror()
 */
void add2debugmsgsave(const char *s)
{
    const char *p;
    char stmp[DEBUGMSGSAVE_SIZE];
    int i, nlines;
    int maxmsg = DEBUGMSGSAVE_SIZE / 2;
    MUTEX_LOCK(mutex_debugmsgsave);
    memset(stmp, 0, sizeof(stmp));

    // we'll keep 20 lines including this one
    // so count the lines
    for (i = 0, nlines = 0; debugmsgsave[i] != 0; ++i)
    {
        if (debugmsgsave[i] == '\n') { ++nlines; }
    }

    // strip the last 19 lines
    p =  debugmsgsave;

    while ((nlines > 19 || strlen(debugmsgsave) > maxmsg) && p != NULL)
    {
        p = strchr(debugmsgsave, '\n');

        if (p && strlen(p + 1) > 0)
        {
            strcpy(stmp, p + 1);
            strcpy(debugmsgsave, stmp);
        }
        else
        {
            debugmsgsave[0] = '\0';
        }

        --nlines;

        if (nlines == 0 && strlen(debugmsgsave) > maxmsg) { strcpy(debugmsgsave, "!!!!debugmsgsave too long\n"); }
    }

    if (strlen(stmp) + strlen(s) + 1 < DEBUGMSGSAVE_SIZE)
    {
        strcat(debugmsgsave, s);
    }
    else
    {
        rig_debug(RIG_DEBUG_BUG,
                  "%s: debugmsgsave overflow!! len of debugmsgsave=%d, len of add=%d\n", __func__,
                  (int)strlen(debugmsgsave), (int)strlen(s));
    }

    MUTEX_UNLOCK(mutex_debugmsgsave);
}


/**