Example #1
0
/**
 * Emit a log message. This function is the variable argument list equivalent
 * to vlc_Log().
 */
void vlc_vaLog (vlc_object_t *obj, int type, const char *module,
                const char *file, unsigned line, const char *func,
                const char *format, va_list args)
{
    if (obj != NULL && obj->obj.flags & OBJECT_FLAGS_QUIET)
        return;

    /* Get basename from the module filename */
    char *p = strrchr(module, '/');
    if (p != NULL)
        module = p + 1;
    p = strchr(module, '.');

    size_t modlen = (p != NULL) ? (p - module) : 0;
    char modulebuf[modlen + 1];
    if (p != NULL)
    {
        memcpy(modulebuf, module, modlen);
        modulebuf[modlen] = '\0';
        module = modulebuf;
    }

    /* Fill message information fields */
    vlc_log_t msg;

    msg.i_object_id = (uintptr_t)obj;
    msg.psz_object_type = (obj != NULL) ? obj->obj.object_type : "generic";
    msg.psz_module = module;
    msg.psz_header = NULL;
    msg.file = file;
    msg.line = line;
    msg.func = func;
    msg.tid = vlc_thread_id();

    for (vlc_object_t *o = obj; o != NULL; o = o->obj.parent)
        if (o->obj.header != NULL)
        {
            msg.psz_header = o->obj.header;
            break;
        }

#ifdef _WIN32
    va_list ap;

    va_copy (ap, args);
    Win32DebugOutputMsg (NULL, type, &msg, format, ap);
    va_end (ap);
#endif

    /* Pass message to the callback */
    if (obj != NULL)
        vlc_vaLogCallback(obj->obj.libvlc, type, &msg, format, args);
}
Example #2
0
/**
 * Emit a log message. This function is the variable argument list equivalent
 * to vlc_Log().
 */
void vlc_vaLog (vlc_object_t *obj, int type, const char *module,
                const char *format, va_list args)
{
    if (obj != NULL && obj->i_flags & OBJECT_FLAGS_QUIET)
        return;

    /* Get basename from the module filename */
    char *p = strrchr(module, '/');
    if (p != NULL)
        module = p;
    p = strchr(module, '.');

    size_t modlen = (p != NULL) ? (p - module) : 1;
    char modulebuf[modlen + 1];
    if (p != NULL)
    {
        memcpy(modulebuf, module, modlen);
        modulebuf[modlen] = '\0';
        module = modulebuf;
    }

    /* Fill message information fields */
    vlc_log_t msg;

    msg.i_object_id = (uintptr_t)obj;
    msg.psz_object_type = (obj != NULL) ? obj->psz_object_type : "generic";
    msg.psz_module = module;
    msg.psz_header = NULL;

    for (vlc_object_t *o = obj; o != NULL; o = o->p_parent)
        if (o->psz_header != NULL)
        {
            msg.psz_header = o->psz_header;
            break;
        }

    /* Pass message to the callback */
    libvlc_priv_t *priv = obj ? libvlc_priv (obj->p_libvlc) : NULL;

#ifdef _WIN32
    va_list ap;

    va_copy (ap, args);
    Win32DebugOutputMsg (priv ? &priv->log.verbose : NULL, type, &msg, format, ap);
    va_end (ap);
#endif

    if (priv) {
        vlc_rwlock_rdlock (&priv->log.lock);
        priv->log.cb (priv->log.opaque, type, &msg, format, args);
        vlc_rwlock_unlock (&priv->log.lock);
    }
}
Example #3
0
/**
 * Emit a log message. This function is the variable argument list equivalent
 * to vlc_Log().
 */
void vlc_vaLog (vlc_object_t *obj, int type, const char *module,
                const char *format, va_list args)
{
    if (obj != NULL && obj->i_flags & OBJECT_FLAGS_QUIET)
        return;

    /* Get basename from the module filename */
    char *p = strrchr(module, '/');
    if (p != NULL)
        module = p;
    p = strchr(module, '.');

    size_t modlen = (p != NULL) ? (p - module) : 1;
    char modulebuf[modlen];
    if (p != NULL)
    {
        memcpy(modulebuf, module, modlen);
        modulebuf[modlen] = '\0';
        module = modulebuf;
    }

    /* C locale to get error messages in English in the logs */
    locale_t c = newlocale (LC_MESSAGES_MASK, "C", (locale_t)0);
    locale_t locale = uselocale (c);

#ifndef __GLIBC__
    /* Expand %m to strerror(errno) - only once */
    char buf[strlen(format) + 2001], *ptr;
    strcpy (buf, format);
    ptr = (char*)buf;
    format = (const char*) buf;

    for( ;; )
    {
        ptr = strchr( ptr, '%' );
        if( ptr == NULL )
            break;

        if( ptr[1] == 'm' )
        {
            char errbuf[2001];
            size_t errlen;

#ifndef _WIN32
            strerror_r( errno, errbuf, 1001 );
#else
            int sockerr = WSAGetLastError( );
            if( sockerr )
            {
                strncpy( errbuf, net_strerror( sockerr ), 1001 );
                WSASetLastError( sockerr );
            }
            if ((sockerr == 0)
             || (strcmp ("Unknown network stack error", errbuf) == 0))
                strncpy( errbuf, strerror( errno ), 1001 );
#endif
            errbuf[1000] = 0;

            /* Escape '%' from the error string */
            for( char *percent = strchr( errbuf, '%' );
                 percent != NULL;
                 percent = strchr( percent + 2, '%' ) )
            {
                memmove( percent + 1, percent, strlen( percent ) + 1 );
            }

            errlen = strlen( errbuf );
            memmove( ptr + errlen, ptr + 2, strlen( ptr + 2 ) + 1 );
            memcpy( ptr, errbuf, errlen );
            break; /* Only once, so we don't overflow */
        }

        /* Looks for conversion specifier... */
        do
            ptr++;
        while( *ptr && ( strchr( "diouxXeEfFgGaAcspn%", *ptr ) == NULL ) );
        if( *ptr )
            ptr++; /* ...and skip it */
    }
#endif

    /* Fill message information fields */
    vlc_log_t msg;

    msg.i_object_id = (uintptr_t)obj;
    msg.psz_object_type = (obj != NULL) ? obj->psz_object_type : "generic";
    msg.psz_module = module;
    msg.psz_header = NULL;

    for (vlc_object_t *o = obj; o != NULL; o = o->p_parent)
        if (o->psz_header != NULL)
        {
            msg.psz_header = o->psz_header;
            break;
        }

    /* Pass message to the callback */
    libvlc_priv_t *priv = obj ? libvlc_priv (obj->p_libvlc) : NULL;

#ifdef _WIN32
    va_list ap;

    va_copy (ap, args);
    Win32DebugOutputMsg (priv ? &priv->log.verbose : NULL, type, &msg, format, ap);
    va_end (ap);
#endif

    if (priv) {
        vlc_rwlock_rdlock (&priv->log.lock);
        priv->log.cb (priv->log.opaque, type, &msg, format, args);
        vlc_rwlock_unlock (&priv->log.lock);
    }

    uselocale (locale);
    freelocale (c);
}