2700     MS_U32 left;  in JPEG_read_app0_marker()  local
2705     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_app0_marker()
2707     left-= 2;  in JPEG_read_app0_marker()
2709     if(left < 8)  in JPEG_read_app0_marker()
2718     left-= 5;  in JPEG_read_app0_marker()
2723     left-= 2;  in JPEG_read_app0_marker()
2730     left-= 5;  in JPEG_read_app0_marker()
2736     left-= 2;  in JPEG_read_app0_marker()
2741     left-= 3*u8Xthumbnail*u8Ythumbnail;  in JPEG_read_app0_marker()
2747     if(left > 0)  in JPEG_read_app0_marker()
2748         JPEG_skip_bytes(left);  in JPEG_read_app0_marker()
2920     MS_U32 left;  in JPEG_read_default_dht()  local
2928     left = (MS_U16) ((default_dht[u32DefaultDHTIndex]<<8) + default_dht[u32DefaultDHTIndex+1]);  in JPEG_read_default_dht()
2931     if ( left < 2 )  in JPEG_read_default_dht()
2937     left -= 2;  in JPEG_read_default_dht()
2939     while ( left )  in JPEG_read_default_dht()
2974         if ( left < ( MS_U32 )i )  in JPEG_read_default_dht()
2980         left -= i;  in JPEG_read_default_dht()
3028     MS_U32 left;  in JPEG_read_dht_marker()  local
3035     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_dht_marker()
3037     if ( left < 2 )  in JPEG_read_dht_marker()
3043     left -= 2;  in JPEG_read_dht_marker()
3045     while ( left )  in JPEG_read_dht_marker()
3077         if ( left < ( MS_U32 )i )  in JPEG_read_dht_marker()
3083         left -= i;  in JPEG_read_dht_marker()
3128     MS_U32 left;  in JPEG_read_dqt_marker()  local
3133     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_dqt_marker()
3135     if ( left < 2 )  in JPEG_read_dqt_marker()
3141     left -= 2;  in JPEG_read_dqt_marker()
3143     while ( left )  in JPEG_read_dqt_marker()
3178         if ( left < ( MS_U32 )i )  in JPEG_read_dqt_marker()
3184         left -= i;  in JPEG_read_dqt_marker()
3193     MS_U32 left;  in JPEG_read_sof_marker()  local
3199     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_sof_marker()
3264     if ( left != ( MS_U32 )( pNJPEGContext->_u8Comps_in_frame[pNJPEGContext->eNJPDNum] * 3 + 8 ) )  in JPEG_read_sof_marker()
3303     MS_U32 left;  in JPEG_skip_variable_marker()  local
3307     left = (MS_U32)((JPEG_get_char()<<8)|JPEG_get_char());  in JPEG_skip_variable_marker()
3309     if ( left < 2 )  in JPEG_skip_variable_marker()
3315     left -= 2;  in JPEG_skip_variable_marker()
3317     JPEG_skip_bytes(left);  in JPEG_skip_variable_marker()
3339     MS_U32 left;  in JPEG_read_sos_marker()  local
3345     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_sos_marker()
3351     left -= 3;  in JPEG_read_sos_marker()
3353     if ( ( left != ( MS_U32 )( n * 2 + 3 ) ) || ( n < 1 ) || ( n > JPEG_MAXCOMPSINSCAN ) )  in JPEG_read_sos_marker()
3363         left -= 2;  in JPEG_read_sos_marker()
3407     left -= 3;  in JPEG_read_sos_marker()
3409     JPEG_skip_bytes(left);    /* read past whatever is left */  in JPEG_read_sos_marker()