2718     MS_U32 left;  in JPEG_read_app0_marker()  local
2723     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_app0_marker()
2725     left-= 2;  in JPEG_read_app0_marker()
2727     if(left < 8)  in JPEG_read_app0_marker()
2736     left-= 5;  in JPEG_read_app0_marker()
2741     left-= 2;  in JPEG_read_app0_marker()
2748     left-= 5;  in JPEG_read_app0_marker()
2754     left-= 2;  in JPEG_read_app0_marker()
2759     left-= 3*u8Xthumbnail*u8Ythumbnail;  in JPEG_read_app0_marker()
2765     if(left > 0)  in JPEG_read_app0_marker()
2766         JPEG_skip_bytes(left);  in JPEG_read_app0_marker()
2885     MS_U32 left;  in JPEG_read_dht_marker()  local
2891     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_dht_marker()
2893     if ( left < 2 )  in JPEG_read_dht_marker()
2899     left -= 2;  in JPEG_read_dht_marker()
2901     while ( left )  in JPEG_read_dht_marker()
2932         if ( left < ( MS_U32 )i )  in JPEG_read_dht_marker()
2938         left -= i;  in JPEG_read_dht_marker()
2974     MS_U32 left;  in JPEG_read_dqt_marker()  local
2979     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_dqt_marker()
2981     if ( left < 2 )  in JPEG_read_dqt_marker()
2987     left -= 2;  in JPEG_read_dqt_marker()
2989     while ( left )  in JPEG_read_dqt_marker()
3024         if ( left < ( MS_U32 )i )  in JPEG_read_dqt_marker()
3030         left -= i;  in JPEG_read_dqt_marker()
3039     MS_U32 left;  in JPEG_read_sof_marker()  local
3045     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_sof_marker()
3108     if ( left != ( MS_U32 )( _u8Comps_in_frame * 3 + 8 ) )  in JPEG_read_sof_marker()
3147     MS_U32 left;  in JPEG_skip_variable_marker()  local
3151     left = (MS_U32)((JPEG_get_char()<<8)|JPEG_get_char());  in JPEG_skip_variable_marker()
3153     if ( left < 2 )  in JPEG_skip_variable_marker()
3159     left -= 2;  in JPEG_skip_variable_marker()
3161     JPEG_skip_bytes(left);  in JPEG_skip_variable_marker()
3183     MS_U32 left;  in JPEG_read_sos_marker()  local
3189     left = (MS_U16) ((JPEG_get_char()<<8) + JPEG_get_char());  in JPEG_read_sos_marker()
3195     left -= 3;  in JPEG_read_sos_marker()
3197     if ( ( left != ( MS_U32 )( n * 2 + 3 ) ) || ( n < 1 ) || ( n > JPEG_MAXCOMPSINSCAN ) )  in JPEG_read_sos_marker()
3207         left -= 2;  in JPEG_read_sos_marker()
3258     left -= 3;  in JPEG_read_sos_marker()
3260     JPEG_skip_bytes(left);    /* read past whatever is left */  in JPEG_read_sos_marker()